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Catalogue of the papers and correspondence of CECIL FRANK POWELL, FRS (1903-1969)

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Reference CSAC 12.6.74
Covering dates 1919 - 1972
Held by University of Bristol Special Collections
Extent 7 series
Creators Powell, Cecil Frank, 1903-1969, scientist and physicist
Arrangement I. Biographical: 1 - 5
II. Cambridge notebooks: 6 - 23
III. Laboratory notebooks: 24 - 75
IV. Working notebooks: 76 - 108
V. Publications and speeches: 109 - 190
VI. Royal Society Expedition to Montserrat: 191 - 194
VII. Offprints and printed material: 195 - 198
Note Compiled by Jeannine Alton and Harriot Weiskittel

Administrative history:
Summary of the career of Professor Powell
1903 b. Tonbridge, Kent
1911 Judd School, Tonbridge
1921 Entered Sidney Sussex College, Cambridge
1925 Research under C.T.R. Wilson
1928 Research assistant to Professor A.M. Tyndall, Bristol University
1931 - 46 Lecturer in Physics, Bristol University
1932 Married Isobel T. Artner
1935 Member of the Royal Society-Colonial Office expedition to Montserrat, British W. Indies
1946 - 48 Reader in Physics, Bristol University
1947 Charles Vernon Boys Prize of the Physical Society of London
1948 - 63 Melville Wills Professor of Physics, Bristol University
1949 Fellow of the Royal Society
1949 Hughes Medal of the Royal Society
1950 Nobel Prize for Physics
1952 - 54 President of Association of Scientific Workers
1956 - 69 President of World Federation of Scientific Workers
1952 - 57 Director of European expedition for making high altitude balloon fligh
1957 Bakerian Lecture, Royal Society
1958 Elected Foreign Member of the Academy of Sciences of the U.S.S.R.
1960 Tercentenary Lecture, Royal Society
1961 Royal Medal, Royal Society
1961 - 63 Chairman of the Science Policy Committee of CERN
1964 - 69 Henry Overton Wills Professor of Physics, Director of H.H. Wills Physics Laboratory, Bristol
1964 - 67 Pro-Vice Chancellor of Bristol University
1965 - 68 Chairman of the Cosmic Ray Commission of IUPAP
1965 - 68 Member of Science Research Council and Chairman of Nuclear Physics Boa
1967 Lomonosov Gold Medal, Academy of Sciences of the U.S.S.R.
1967 Chairman of the Pugwash Continuing Committee
1969 Guthrie Medal of the Institute of Physics and Physical Sciences
(Note: A full list of Professor Powell's honours and awards appears in the Royal Society Biographical Memoir, Item 1, p. 541.)

The papers cover the years 1916 - 1969 and were received from Mrs. Isobel Powell and the Department of Physics, Bristol University.
The first half of the collection contains 105 manuscript notebooks which fall into three distinct groups:
Items 6 - 23: Cambridge notebooks
These are a record of laboratory observations and notes taken by Powell as a Cambridge undergraduate on lectures by Rutherford, C.T.R. Wilson and others. Several of these notebooks contain drafts and notes of a much later date. (Items 18,20,22,23)
Items 24 - 75: Laboratory notebooks
These notebooks (dated 1939 - 1949) contain careful records of observations made by Professor Powell and various collaborators in the course of his experiments involving cosmic rays. Within this group:
Items 28 - 37 are a set of 10 notebooks arranged according to the numbered sequence on their spines, although this sequence is neither complete nor chronological by date.
Items 51 - 75 contain numerous notebooks labelled with a letter-number code, such as 'C.R.R.3' which may be assumed to read as follows: 'C.R.' is the abbreviation for 'Cosmic Rays', 'R' is the initial of the observer (in this instance 'Roberts') and the number is the chronological sequence of that particular observer's work. The several incomplete number sequences reveal that many notebooks of that period are missing.
Items 76 - 108: Working notebooks
This final set of notebooks contains a wide variety of material: notes for Professor Powell's own lectures at Bristol and for his research programmes, drafts of speeches and articles (both scientific and non-scientific), notes taken at conferences and on others' published work etc. As each notebook may contain 5 - 15 different sets of notes on a wide range of topics, the contents have been briefly summarized in the handlist when possible, but this description is not intended to provide a detailed 'table of contents' for each notebook.
The second half of the collection (Items 109 - 190) contains papers relating to Professor Powell's published work and speeches from 1947 to 1969. This material is arranged chronologically by date of speech or of publication and is composed of very rough manuscript notes, general outlines, manuscript drafts and typescripts (with Ms. annotations noted in the handlist). A final print is included if it varies significantly from the typescript. Occasionally an item will contain the later stages of a particular article or speech while the earlier rough manuscript notes and drafts are located in a notebook. These divisions of material have been cross-indexed when noted (e.g. Items 90 and 122).
Items 195 - 198 refer to 4 box-files containing Professor Powell's published work. See Item 195 for a note of missing items.
Except for a few letters dealing with publications (Items 123, 134, 140, 112 147, 171a, 189, 190), no personal or professional correspondence remains. Documents referring to Powell's activities for international organisations (CERN, Pugwash) were destroyed after his death.
The following taped speeches are held in the University of Bristol:
1) Professor Powell's recording of Rutherford's lecture at Gottingen, 14 December 1931
2) Speech to Bristol British Medical Association, 16 January 1963
3) Royal Society discussion on CERN, 21-22 February 1963
4) Tribute to Professor A.H. Tyndall at S.W. Branch Meeting of Institute of Physics at Royal Fort, 22 March 1963 (see Item 161)
5) Speech to CERN Council, 20 June 1963 (see Item 162)
6) Xe Anniversaire - Professors Weisskop and Powell, 30 October 1964

Biographical  CSAC 12.6.74/I  [n.d.]

[no title or date]  CSAC 12.6.74/I/1

Memoir by F.C. Frank and D.H. Perkins (Biographical Memoirs of Fellows of the Royal Society, Vol. 17, November 1971, pp. 541 - 563)

[no title]  CSAC 12.6.74/I/2  1968 - 69

Autobiographical article for Fratelli Fabri Editori: invitation, correspondence and contract, Ms. draft, various amended versions and corrected drafts (note on inside of file cover of persons to whom copies were sent)

[no title]  CSAC 12.6.74/I/3  ?1968 - 69

Draft of 3 chapters of autobiography: 'Early Childhood,' 'Schooling,' and 'University and Early Researches': various typescripts with Ms. corrections

[no title or date]  CSAC 12.6.74/I/4


[no title]  CSAC 12.6.74/I/5  n.d

Notes on physics course at Sir Andrew Judd's School, Tonbridge

Cambridge notebooks  CSAC 12.6.74/II  [n.d.]

[no title]  CSAC 12.6.74/II/6  1920, [...] 192

Labelled 'February 20, 1920' although the physics notes are mostly dated 1926 - 27. (Includes Ms. letter from Professor Francis A.B. Ward, 1962, returning Powell's notebook which he had inadvertently retained since their Cambridge years.)

[no title]  CSAC 12.6.74/II/7  1922 - [...] 23

'Practical Physics, 21st November 1922': notes on lectures with diagrams

[no title]  CSAC 12.6.74/II/8  1923

'Physics: Light (Wood) and 'Botany (Seward)': notes on lectures

[no title]  CSAC 12.6.74/II/9  1923

Botany drawings and laboratory instructions

[no title]  CSAC 12.6.74/II/10  1924

'Maths' and 'Electricity - Munro': notes on lectures

[no title]  CSAC 12.6.74/II/11  1924

'Long Vac 1924': laboratory notebook

[no title]  CSAC 12.6.74/II/12  1924

'Stead: Thermionics, Photo-Electricity, X-rays,' and 'Searle: Heat, Thermometry, Thermodynamics': notes on lectures

[no title]  CSAC 12.6.74/II/13  n.d

Lecture notes on 'atmospheric electricity' and 'the nature of white light' among others

[no title]  CSAC 12.6.74/II/14  1924 - 2

'Rutherford, October 1924: Constitution of Matter, Artificial and Natural Disintegration, General Electricity' and 'Appleton, Lent Term 1925: Wireless Telegraphy': notes on lectures

[no title]  CSAC 12.6.74/II/15  1924 - 2

'Thirkill: Properties of Matter. Mich Term, 1924' and 'Searle: Electrical Measurements. Lent Term 1925': notes on lectures

[no title]  CSAC 12.6.74/II/16  1925

'A. Wood: Wave Motion and Sound' and 'Thirkill: Light': notes on lectures

[no title]  CSAC 12.6.74/II/17  1925

'A. Wood - Polarisation' and 'E. Rutherford - Ionisation and Radioactivity' Easter Term 1925: notes on lectures

[no title]  CSAC 12.6.74/II/18  1925

'J.A. Carroll: Lint and Band Spectra' and 'C.T.R. Wilson: Condensation on Nuclei': notes on lectures. Notebook includes Ms. drafts of various later articles, speeches and reports, such as 'Mesons' Physical Society's Report on Progress in Physics, 13, p. 350 (see also Item 80)

[no title]  CSAC 12.6.74/II/19  1924 - 2

'Long Vac 1925': laboratory notebook

[no title]  CSAC 12.6.74/II/20  1925

'Long Vac 1925': laboratory notebook with Ms. quotations. Also includes Ms. draft of 'Electrical Conductivity of Air' 1949

[no title]  CSAC 12.6.74/II/21  1927

'June 9, 1927': laboratory notebook

[no title]  CSAC 12.6.74/II/22  1927; 1947-49

'July 20, 1927': Laboratory notebook (6 pages). Remainder of notebook is devoted to Ms. drafts of articles, letters, lectures (in Stockholm), plans for conference, tabular data and examination questions

[no title]  CSAC 12.6.74/II/23  1927; 1958

'October 25, 1927': laboratory notebook (17 pages). Remainder of notebook is devoted to Ms. drafts of articles, including one entitled 'Fragmentation of heavy nuclei of the cosmic radiation'

Laboratory notebooks  CSAC 12.6.74/III  [n.d.]

[no title]  CSAC 12.6.74/III/24  1929 - 3 [...]

Notes and diagrams; some later notes dated 1948

[no title]  CSAC 12.6.74/III/25  1939-1944

Notebook of R.W. Chamberlain with additional notes by G.I.Harper; further notes made in 1944 in unidentified hand

[no title]  CSAC 12.6.74/III/26  1940 - 4 [...]

'C.F. Powell March '40 - Nov '40': first page is a table of contents labelled 'Summary of measurements' and dated 3.iv.42

[no title]  CSAC 12.6.74/III/27  1940 - 4 [...]

'C.F. Powell March 18th 1941 V' 'Neutrons from Be9 (d1p) Be10 - absorbtion in lead Oxygen D.9 105°, 115°
Helium D.19'

[no title or date]  CSAC 12.6.74/III/28 - 37

Set of 10 notebooks arranged according to numbered sequence on spine, although this sequence is neither complete nor chronological

[no title]  CSAC 12.6.74/III/28  1942

'I.D.H., D.D., D.O.'
'D.19 Helium, D.11 Hydrogen, D.9 Oxygen P.H. Fowler'
Laboratory notes with table of contents on inside of front cover

[no title]  CSAC 12.6.74/III/29  1944 - 45

'II D.O., D.D.'
'Ne²0 d1p Ne²², Ne²² d1p Ne²³ No. XIV
C.F. Powell, Landsberg'

[no title]  CSAC 12.6.74/III/30  1943

'V D.O.'
'7 ellv Deuterons on Oxygen C.F. Powell'
Summary of contents on first page dated 25.v.1943

[no title]  CSAC 12.6.74/III/31  1944

'VI D.H., D.A., D.O.' 'H. Craig'

[no title]  CSAC 12.6.74/III/32  n.d

'VII D.H., D.A.' 'Miss Berlin XX'

[no title]  CSAC 12.6.74/III/33  1941

'IX D.P.'

[no title or date]  CSAC 12.6.74/III/34

'IX D-C., D-HE.'
Measurements C1² d1p C1³ - H.H. on D.7
Measurements on Ur - [alpha] 's
Li6 d1p Li7 with slow deuterons
Summary of observations in 016 d1p 017
d - [alpha] scattering & He4 d1p He5

[no title]  CSAC 12.6.74/III/35  1941

'X D-C., D-HE.'
'H. Heitler Nr. 5'

[no title]  CSAC 12.6.74/III/36  1941

'Developers D-H, D-C XI' 'H. Heitler'
Laboratory notes with summary of contents on first page

[no title]  CSAC 12.6.74/III/37  1945

'F.D.' 'Fundamental Data C.F. Powell'
Charts with summary of contents on first page

[no title]  CSAC 12.6.74/III/38  1943

'Fast Excitation'

[no title]  CSAC 12.6.74/III/39  1945

Labelled 'Fe Si IV'

[no title]  CSAC 12.6.74/III/40  1945 - [...] 4

'Stobbé' Labelled on inside cover 'Neutron Spectra III'

[no title]  CSAC 12.6.74/III/41  n.d

'Nitrogen D.6 H.H. and C.F.P.' Record of observations

[no title]  CSAC 12.6.74/III/42  1945

'Occhialini' Record of observations

[no title]  CSAC 12.6.74/III/43  1945

'G. Occhialini' Record of observations

[no title]  CSAC 12.6.74/III/44  1946

'Elastic Scattering, Protons in Nitrogen and Oxygen'
Summary of measurements on first page dated Jan 8 - Feb 28, 1946 with names of T. Hall - E. Rosenblum

[no title]  CSAC 12.6.74/III/45  n.d

'N - p scattering, Book III - Calculations' Notebook labelled inside with name of M.L. Andrews. Data on neutron-proton scattering

[no title]  CSAC 12.6.74/III/46  1946

'M.L. Andrews, Book V n - p scattering' Record of data

[no title]  CSAC 12.6.74/III/47  n.d

'C.F. Powell, n - p scattering' Data on neutron-proton scattering

[no title]  CSAC 12.6.74/III/48  1946

'Calculation of Loss (Continued)' Tabular summaries of data with photograph of plate interleaved.

[no title]  CSAC 12.6.74/III/49  1946

'E.I. Roberts' July Record of observations on cosmic rays

[no title]  CSAC 12.6.74/III/50  1946

'Mrs. Roberts' December Record of observations on cosmic rays

Numerous notebooks are labelled with a number-letter code.  CSAC 12.6.74/III/51 - 75  [n.d.]

[no title]  CSAC 12.6.74/III/51  1946

'C.R.R.1. Cosmic Rays (a), E.I. Roberts, Book I' December

[no title]  CSAC 12.6.74/III/52  1946 - 4

'Cosmic Ray Plates, I. Powell, Book I' November,1946; March, 1947

[no title]  CSAC 12.6.74/III/53  1947

'C.R.A.2. M.L. Andrews, Cosmic Rays (2)' January-February

[no title]  CSAC 12.6.74/III/54  1947

'C.R.R.2. Cosmic Rays (a), E.I. Roberts, Book II' February-April

[no title]  CSAC 12.6.74/III/55  1947

'C.R.P.2. Isobel Powell, Book II' March-June

[no title]  CSAC 12.6.74/III/56  1947

'C.R.R.3. E.I. Roberts, Cosmic Ray Plates (b)(c), Book III' April

[no title]  CSAC 12.6.74/III/57  1947

'C.R.R.4. E.I. Roberts, Cosmic Ray Plates (c), IV' April-July

[no title]  CSAC 12.6.74/III/58  1947

'C.R.P.3. Isobel Powell' June-October

[no title]  CSAC 12.6.74/III/59  1947

'C.M.G. Lattes' Record of observations on cosmic rays

[no title]  CSAC 12.6.74/III/60  1948

'C.R.G.1. Yves Goldschmidt' January-March

[no title]  CSAC 12.6.74/III/61  n.d

Unidentified notebook apparently belonging to this series

[no title]  CSAC 12.6.74/III/62  1948

'C.R.R.5. Observers: I. Roberts, I. Powell, M. Merritt (L)' January-December

[no title]  CSAC 12.6.74/III/63  1947 - [...] 4

'Cosmic Rays, Book C.0.2(P), Mrs. I. Powell' September, 1947 - June, 1948; January-April, 1949

[no title]  CSAC 12.6.74/III/64  1947 - [...] 4

'C.R.M.4. B.A. Moore' Record of observations and measurements

[no title]  CSAC 12.6.74/III/65  1947 - [...] 4

'C.R.M.5. B.A. Moore' December-December Record of observations and measurements

[no title]  CSAC 12.6.74/III/66  1948

'K.J. van der Merwe, Cosmic Rays V.4'

[no title]  CSAC 12.6.74/III/67  1949

'Cosmic Rays T.1, Observers: N.R. Tobin, M. Merritt'

[no title]  CSAC 12.6.74/III/68  1948

'Grain Counting, M. Andrews, N.R. Tobin' December

[no title]  CSAC 12.6.74/III/69  n.d

'P.H. Fowler, R.H. Brown Grain Counting Jj I T2 (b)'

[no title]  CSAC 12.6.74/III/70  n.d

'A.8 M. Andrews, H. Heitler'

[no title]  CSAC 12.6.74/III/71  ?1949

'C.R.R.6. Observers: I. Roberts' April-October

[no title]  CSAC 12.6.74/III/72  1949

'TOP - plates: Ilford-2 pag 1 - 13 February
Kodak-1 15 -
Kodak-4 91 -'

[no title]  CSAC 12.6.74/III/73  1949

'Mag defl exp. TOP plates K - 0 page 1 - 43' Small notebook without cover

[no title]  CSAC 12.6.74/III/74  1949

'Mag defl. TOP plates K - 4 page 1 - 6
I-8 6-33'
Small notebook without cover

[no title]  CSAC 12.6.74/III/75  1944

Unidentified notebook (4 pages of lab data; remainder is Ms. draft of examination questions)

Working notebooks  CSAC 12.6.74/III  [n.d.]

[no title]  CSAC 12.6.74/III/76  1937 - [...] 4

Powell's journal of work performed in laboratory: photographs, tabular summaries of data, diagrams, notes on books read

[no title]  CSAC 12.6.74/III/77  1944 - [...] 4; 1957

Lecture notes, experiments, notes on book read

[no title]  CSAC 12.6.74/III/78  1948 - [...] 5

'Lecturers in nuclear physics': notes taken by Powell, Ms. drafts of his own work, outlines of lectures

[no title]  CSAC 12.6.74/III/79  1948 - [...] 4

Ms. drafts of speeches and articles, including 'Nuclear transmutations produced by particles of great energy,' and 'Determination of the mass of particles by grain-counting' among others

[no title]  CSAC 12.6.74/III/80  1949 - [...] 5

Labelled with name and 'Innsbruck, August 12th, 1949': contains outline of 'Mesons' Physical Society Report on Progress in Physics, 13, p. 350. (See also Item CSAC 12.6.74/18)

[no title]  CSAC 12.6.74/III/81  1950

Ms. drafts of various speeches and articles

[no title]  CSAC 12.6.74/III/82  1950 - 5

'February 20, 1950' Ms. drafts of articles: Part IV and Part V, 'Nature and energy of the primary particles,' 'Nuclear Inter-actions of the shower particles'; outlines of Part VI 'The soft component and its origin' and of Part VII 'Characteristics of the soft component.' 'Memoranda for report on Mesons,' lists of figures and references. 'The decay of the [pi]-meson and the existence of the neutrons.' (See also Item CSAC 12.6.74/112a)

[no title]  CSAC 12.6.74/III/83  1950 - [...] 5

'September 1950' Ms. drafts of articles, outline of 'lectures on atomic physics 1953,' captions and description of plates, drafts of two letters

[no title]  CSAC 12.6.74/III/84  1950 - [...] 5

Notes for '3 lectures in the University of London,' 'Swedish broadcast,' 'Edinburgh, November 23, 1950,' 'Copenhagen Dec. 6'. Drafts of: Nobel Prize Lecture; speech to students, December 10; Lecture to technical physicists, Stockholm, December 13; in Vienna, January 22, 1951; at Royal Institution (see also Items CSAC 12.6.74/113 - 115)

[no title]  CSAC 12.6.74/III/85  1951

Ms. draft of article 'Observations on the photo-disintegration of the deuteron'

[no title]  CSAC 12.6.74/III/86  1951 - [...] 5

'March 10th, 1951' drafts of four broadcasts, of article for Radio Times; draft of unidentified article dated December 7, 1952; miscellaneous data and calculations

[no title]  CSAC 12.6.74/III/87  1952 - [...] 5

'Main programme, 1952 session' draft of Powell's remarks at unidentified conference; outline of 'Presessional Lecture'; draft of article re Italian expedition (balloon flights); notes for atlas

[no title]  CSAC 12.6.74/III/88  1953

'Atlas I, February 18th, 1953 - Tracks of Cosmic Radiation in Photographic Emulsions': list of various plates with captions and descriptions; draft of 'collision of heavy nuclei of the primary cosmic radiation' 'The Range - Energy relation,' etc

[no title]  CSAC 12.6.74/III/89  1952 - 52

'Atlas II, February 18th, 1952': list of plates with captions and descriptions, various tables; notes of European expedition to Sardinia; notes for 'Precessional Lecture'; draft of lecture given in Geneva, dated October 30, 1953

[no title]  CSAC 12.6.74/III/90  1953

'Atlas III, April 10, 1953': list of plates with captions; drafts of articles; notes for lectures; notes taken at a conference on cosmic radiation organised by the University of Toulouse, at Bagneres de Bigorre, July, 1953 (see also Item CSAC/12/6/74/122)

[no title]  CSAC 12.6.74/III/91  1954 - 57

Notebook with dividers containing notes on articles and books read (with numbered references to text of The Study of Elementary Particles by the Photographic method). Typescript of outline of lectures on atomic physics, 1956-57 and typescript of 'First year's lecture to 1st M.M. and Inter. students in physics, 1942-46'

[no title]  CSAC 12.6.74/III/92  1956 - 57

Outline of research programmes, January 1957; notes for lectures and broadcasts: 'Oxford, October 23, 1957 - The Cosmic Radiation' and 'Four broadcasts on the atomic energy'

[no title]  CSAC 12.6.74/III/93  1957

Footnotes for The Study of Elementary Particles...; notes from conference in Venice (see also Item CSAC/12/6/74/137)

[no title]  CSAC 12.6.74/III/94  1957- [...] 196

'Cardiff, May 18, 1957: Science, Scientists and the Future' 'Helsinki, August 28, 1957: the World Federation of Scientific Workers, its aims and achievements': draft of speech; report for D.S.I.R. dated 1961: draft

[no title]  CSAC 12.6.74/III/95  1957 - 58

Lecture notes for course on atomic physics; newspaper cuttings; notes for 'Xmas exam papers - December 1957'

[no title]  CSAC 12.6.74/III/96  1958 - 69

'Notes and records' see list on notebook cover for contents (see also Item CSAC/12/6/74/149 for further notes on Australia lectures)

[no title]  CSAC 12.6.74/III/96a  1959

'International Symposium on planning of science' Prague, September: Ms. notes on papers read

[no title]  CSAC 12.6.74/III/97  1958

'Mesons and hyperons: 8 post graduate lectures 1958,' 'Messengers of force: 3rd year nuclear physics,' 'Stage I lectures: properties of matter and heat'; lecture on 'the future of high energy nuclear physics'

[no title]  CSAC 12.6.74/III/98  1960 - [...] 6

Lectures 1960 - 61: Atomic Physics Stage II and III

[no title]  CSAC 12.6.74/III/99  1961 - [...] 6; 1963

'Lectures on Nuclear Physics: Atomic Physics Stages III (continued)'; 'Post graduate lectures on Meson Physics'; notes from colloquium on the neutrino experiment, 1962; general outline for five post-graduate lectures, April, 1963

[no title]  CSAC 12.6.74/III/100  1959 - [...] 6

'Design of experiments'; 'D.S.I.R. application in respect of Mediterranean flights'; notes for Mediterranean expedition; outline of Rutherford lecture in Glasgow, September 14, 1960; speaking notes for 'Cavendish dinner to celebrate Chadwick's 70th birthday, October 4, 1961'

[no title]  CSAC 12.6.74/III/101  1961

Notes of meeting of Cosmic Ray Commission of IUPAP, Kyoto, in September and draft of minutes; notes of Federation meeting in Geneva, September 21, 1961; notes for lecture in Bangkok

[no title]  CSAC 12.6.74/III/102  1961

'Notes and Records: Compton effect, K [...] capture processes, notes on resonances, notes on Lock's book, notes on Aitken, notes on Legendre, Hermite and other functions, notes on the solution of Dirac's equation' (see cover of notebook for page references)

[no title]  CSAC 12.6.74/III/103  1962 - 60

'Notes on quantum mechanics, 1962'; later notes on others' work dated 1964 - 65; notes for W.E.A. lecture on 'Matter and the Cosmos' 1966; notes for speech entitled the 'Changing nature of science' with notation 'Newcastle - Rutherford, Ceylon - December 14, 1966' (see also Item CSAC/12/6/74/156 and 159)

[no title]  CSAC 12.6.74/III/104  1962

Notes for lectures; draft of one page of a report of the Scientific Policy Committee of CERN; notes on various graduate students and their programmes

[no title]  CSAC 12.6.74/III/104a  1962 - 63

Symposium on Higher Scientific and Technical Education: Conference in Moscow, September 7-13, 1962, 400th anniversary of birth of Francis Bacon: notes, draft of speech delivered at close of symposium; draft of Science Policy Committee report (dated September 26); notes on Royal Society meeting on their report to the Ministry of Science re research; several drafts of papers and speeches given in Geneva, 1962.

[no title]  CSAC 12.6.74/III/105  1962

'Notes of meeting with Waisskopf, July6,1962 on future development of nuclear physics in Europe'

[no title]  CSAC 12.6.74/III/106  1963 - 64

'Notes on Jaipur conference, December 1963, Colgate on shock-wave acceleration, Udaipur Conference Pugwash, January 1964, Lectures at Delhi' (see note on notebook cover for list of specific lectures). Notes on others'work, for meetings, speeches etc.

[no title]  CSAC 12.6.74/III/107  1965

'Thesis on Chinese policy 1965'

[no title]  CSAC 12.6.74/III/108  1966

'Notes for a story about Einstoin'; 'Introductory remarks to Royal Society discussion on neutrinos'

Publications and speeches  CSAC 12.6.74/V  [n.d.]

[no title]  CSAC 12.6.74/V/109  n.d

'Production of strange (?) particles by [pi]-mesons, photons, and nucleons'

[no title]  CSAC 12.6.74/V/110  ? 1947 - [...] 5

'The Nature of the Neutral Particle: the Existence of the Neutrino': typescript

[no title]  CSAC 12.6.74/V/111  1948

'Observations on slow mesons of the cosmic radiation' (with U. Camerini, H. Muirhead, and D.M.Ritson), Nature, 162, pp. 433-438: 3 typescripts with Ms. corrections, table of data, copy of offprint

[no title]  CSAC 12.6.74/V/112  1949

Unidentified article with correspondence from Carlo Franzinetti

[no title]  CSAC 12.6.74/V/112a  1950

Typescript of 'Plan of Handbook' with typescripts of Chapters 2,7,8 and portions of 6 and 9, and bibliography (see also Item CSAC/12/6/74/82)

[no title]  CSAC 12.6.74/V/113  1950

'Swedish broadcast': typescript with Ms. corrections (see also Item CSAC/12/6/74/84)

[no title]  CSAC 12.6.74/V/114  1950

'The cosmic radiation' Nobel Prize Lecture, Stockholm, December 11 2 typescripts, one with list of plates appended (see also Item CSAC/12/6/74/84)

[no title]  CSAC 12.6.74/V/115  1950

Speech at the Nobel Prize Foundation in reply to award: 1 typescript (see also Item CSAC/12/6/74/84)

[no title]  CSAC 12.6.74/V/116  1951

Outline of speech in Copenhagen, July

[no title]  CSAC 12.6.74/V/117  1951

'Long Fox Lecture' Medical Faculty, Bristol, October: typescript with Ms. corrections; 'New types of heavy mesons' Mill Hill, November: Ms. second draft; 'Francis Bacon': 2 Ms. outlines

[no title]  CSAC 12.6.74/V/117a  1951

Report of a conference on V-particles and heavy mesons, Bristol, December: conference papers

[no title]  CSAC 12.6.74/V/118  1951

'Recent discoveries of new unstable forms of matter' The Times Review of the Progress of Science, Autumn 1951: typescript with Ms. corrections

[no title]  CSAC 12.6.74/V/119  1952

'Contributions to a discussion on the place of science in a general education': 2 typescripts (one with Ms. corrections), submitted to Journal of Education for publication

[no title]  CSAC 12.6.74/V/120  ? 1952

Unidentified speech re implications of a third world war

[no title]  CSAC 12.6.74/V/121  1953

Ms. notes for 3 lectures in Dublin, January

[no title]  CSAC 12.6.74/V/122  1953

Speech given at cosmic ray conference, Bagnères de Bigorre, France, July: typescript with Ms. corrections (see also Item CSAC/12/6/74/90)

[no title]  CSAC 12.6.74/V/123  1954, [...] 19

Halley Lecture: Ms. outline and later correspondence(1963)

[no title]  CSAC 12.6.74/V/124  1954

Speech to T.U.C. September: typescript

[no title]  CSAC 12.6.74/V/125  1954

'Heavy mesons and excited nucleons' speech to the German Physical Society, Hamburg: typescript with Ms. corrections, offprint

[no title]  CSAC 12.6.74/V/126  1955

'Recent advances in our knowledge of heavy mesons and hyperons' conference at Pisa, June: Ms. draft, typescript with Ms. corrections

[no title]  CSAC 12.6.74/V/127  1955

'On the different types of heavy mesons' (with M.G.K. Menon, D.H. Perkins): Ms draft

[no title]  CSAC 12.6.74/V/128  1955

'International scientific collaboration' speech to W.F.S.W., Berlin, September (published in W.F.S.W. Bulletin, No. 4, December, 1955): 3 typescripts

[no title]  CSAC 12.6.74/V/129  1955

'Experiments at great altitudes with free balloons' lecture at British Academy, September: typescript with Ms. corrections

[no title]  CSAC 12.6.74/V/130  1955

'The hydrogen bomb and the future of mankind' speech given at Central Hall, Westminister, October (published as a pamphlet by the London Co-operative Society Ltd, Education Department): 2 typescripts and pamphlet

[no title]  CSAC 12.6.74/V/131  1955

An article for the Associated Press on Powell's visit to Russia: typescript

[no title]  CSAC 12.6.74/V/132  1956

'The structure of the universe' and 'Unstable elementary particles' 2 lectures given to the arts faculty at Bristol University, January: manuscript and typescript of outline for lecture I, 2 typescripts of lecture I, typescript with Ms. corrections of lecture II

[no title]  CSAC 12.6.74/V/133  1956

Speech to Scientific Instruments Manufacturers Association, June: 2 typescripts

[no title]  CSAC 12.6.74/V/134  1956 - [...] 5

Foreword to The Elementary Particles of Nature, published by Science Information Service, London: related correspondence and copy of booklet

[no title]  CSAC 12.6.74/V/135  1956 - [...] 5

'Life-time of the [pi]-meson': typescript

[no title]  CSAC 12.6.74/V/136  1956 - [...] 5

Speech to conference on role played by experiments with cosmic rays in the discovery of elementary particles

[no title]  CSAC 12.6.74/V/137  1957

'The C-stack. An experiment in collaboration' opening remarks at conference in Venice: typescript (see also Item CSAC/12/6/74/93)

[no title]  CSAC 12.6.74/V/138  1957

'The elementary particles of matter' The Bakerian Lecture, the Royal Society: 2 typescripts with Ms. corrections

[no title]  CSAC 12.6.74/V/139  1957

Atomic Energy Series: transcript of BBC telediphone recording with Ms. corrections

[no title]  CSAC 12.6.74/V/140  1957

Lectures on the development of science, annual course held at Bristol: synopsis of individual lectures, outline of Powell's 4 lectures, correspondence

[no title]  CSAC 12.6.74/V/141  1958

'The peaceful uses of atomic energy' speech to Scottish Union of Mineworkers, Duncon, February: typescript

[no title]  CSAC 12.6.74/V/142  1958

'Contributions to knowledge of elementary particles by studies of cosmic radiation' Proceedings of the Second United Nations International Conference on the Peaceful Uses of Atomic Energy, Geneva, Switzerland, September 1958, 30, pp. 20-28: typescript

[no title]  CSAC 12.6.74/V/143  1958

'History of Pugwash Conferences' opening address at Kitzbühel Vienna Conference of scientists, September: Ms. draft

[no title]  CSAC 12.6.74/V/144  1958

'A Scientific Age' address to Bristol Conference of Assistant Mistresses in Secondary Schools, October: typescript

[no title]  CSAC 12.6.74/V/145  1959

'Experiments on cosmic radiation by means of artificial satellites' (Discussion on Space Research, Royal Society, November 1958) Proceedings Royal Society London A, 253, pp. 482-487: typescript

[no title]  CSAC 12.6.74/V/146  ?1959

Opening of final session of Cosmic Ray Conference, Moscow: typescript

[no title]  CSAC 12.6.74/V/147  1959

'The Origin of Cosmic Radiation' 4 BBC broadcasts, October: printed scripts, related correspondence(1963) re publication of talks in 'Scientific Thought Today'

[no title]  CSAC 12.6.74/V/148  1959

Report by Jeremy Brien on Powell's speech to Bristol Rotary Club, November: typescript

[no title or date]  CSAC 12.6.74/V/149

Lecture tour of Australia: Manuscript and typescript notes, includes typescript of broadcast printed in 'The Nucleus' a newsletter of Nuclear Research Foundation, University of Sydney, 5 December 1959, pp. 1-3 (see also Item CSAC/12/6/74/96)

[no title]  CSAC 12.6.74/V/150  1959

'The origin of the high-energy particles of the cosmic radiation' printed (with slightly modified title) in Proceedings of the Royal Institution, 37, pp. 579-601: typescripts with extensive Ms. corrections

[no title]  CSAC 12.6.74/V/151  1960

Introduction of Professor Masevich, Society of Cultural Relations with U.S.S.R., February: typescript

[no title]  CSAC 12.6.74/V/152  1960

Lecture to Teachers' Committee for Nuclear Disarmament at the N.U.T. Conference, Blackpool, April: typescript

[no title]  CSAC 12.6.74/V/153  1960

'Some remarks on the role of science in the modern world and the problems arising in its organisation' speech at the General Assembly of the Association Frédéric et Irène Joliot-Curie at Orsay Laboratory, May, Les Sciences, pp. 9-16: 2 typescripts

[no title]  CSAC 12.6.74/V/154  1960

'The study of nuclear disintegrations produced by particles of very great energy' (Royal Society Tercentenary Lecture, 20 July) published in Notes and Records of the Royal Society, 16, pp.72-76 as 'The study of nuclear interactions at very great energies': typescript from Powell's rough notes at lecture.

[no title]  CSAC 12.6.74/V/155  1960

'Cosmic Radiation' Fifty-first Kelvin Lecture to the Institution of Electrical Engineers, 31 March, Proceedings of the Institution of Electrical Engineers, 107, B, pp. 389-394: summary (typescript) which appeared in Journal of the I.E.E., offprint, and proof of 'Origin of the Cosmic Radiation' which appeared in Electrical Review

[no title]  CSAC 12.6.74/V/156  1966

'The Changing nature of science' 2nd lecture in series given in Ceylon, December: typescript with Ms. additions (see also Item CSAC/12/6/74/103)

[no title]  CSAC 12.6.74/V/157  1962

'Some problems in high energy physics,' address to the physics department of a university, Rome, April: Ms. draft and incomplete typescript

[no title]  CSAC 12.6.74/V/158  1962

'Higher Scientific and Technological Education' concluding speech at a symposium of the same name, Moscow, September, published in Scientific World, 6, pp. 2-6: offprint with corrections. Foreword for the Proceedings of the W.F.S.W. Moscow Conference: typescript and related correspondence

[no title]  CSAC 12.6.74/V/159  1962

5 lectures to the W.E.A., October-December: Ms. and typed preliminary drafts, typed transcripts from recordings of lectures 1 and 3 (includes questions and answers) (see also Item CSAC/12/6/74/103)

[no title]  CSAC 12.6.74/V/160  1963

Statement at the Special Assembly of Food and Agricultural Organisation of the UN at Rome, Man's Right to Freedom from Hunger: typescript

[no title]  CSAC 12.6.74/V/161  1963

Tribute to Professor A.M. Tyndall, Speech to S.W. branch of the Institute of Physics, March: typescript of recording

[no title]  CSAC 12.6.74/V/162  1963

Speech to CERN Council, June: typescript

[no title]  CSAC 12.6.74/V/163  1963

'Science and morals' address to Hatfield Technical College, June: Ms. draft and 2 typescripts

[no title]  CSAC 12.6.74/V/164  1963

Editorial in Pugwash Newsletter, 1, July: typescript with Ms. corrections

[no title]  CSAC 12.6.74/V/165  1963

After-dinner talk at Hyperfragment Conference, CERN, March: typescripts

[no title]  CSAC 12.6.74/V/166  1963

Speech to CERN Council, October, from Science Policy Committee: typescripts

[no title]  CSAC 12.6.74/V/167  1963

Speech at opening of Senior Common Room, Bristol, October: typescript

[no title]  CSAC 12.6.74/V/168  1964

Address to the Annual Council of Association of Scientific Workers, London, May: Ms. draft and typescript

[no title]  CSAC 12.6.74/V/169  1964

'The enlightened supporter of scienco' tribute to the memory of Mr. Nehru, Science Reporter (New Delhi), Nehru Commemoration number, 1, nos 7-8, pp. 13-14: Ms. draft

[no title]  CSAC 12.6.74/V/170  1964

Address to the 27th Session of the Council of CERN, June, re development of elementary particle physics in Europe: Ms. draft and print with Ms. correction

[no title]  CSAC 12.6.74/V/171  1964

'The role of pure science in European civilisation' speech at a meeting of the Council of CERN, October: offprint

[no title]  CSAC 12.6.74/V/171a  1964 - [...] 6

Correspondence re publication (see list in file and in Memoir p. 562 for specific journals) (see also Item CSAC/12/6/74/197)

[no title]  CSAC 12.6.74/V/172  1965

Speech to second the resolution on death of Sir Winston Churchill, Chancellor of Bristol, February: Manuscript and typescript

[no title]  CSAC 12.6.74/V/173  1965

'The role of research' lecture to students' physical society, University of Durham, November: Manuscript and typescript

[no title]  CSAC 12.6.74/V/174  1966

Editorial for 20th anniversary number of Scientific World, May: typescript

[no title]  CSAC 12.6.74/V/175  1966

'The dragon is now aroused in its lair' paper for the Sopot (Poland) Pugwash Conference, September: print and list of recipients

[no title]  CSAC 12.6.74/V/176  1967

Vote of thanks to the President, proposed at the Royal Society's anniversary meeting, November: typescript

[no title]  CSAC 12.6.74/V/177  1967

Article for Pravda, December: typescript

[no title]  CSAC 12.6.74/V/178  1968

'The discovery of the [pi]-meson' address to the Soviet Academy of Sciences,Vest. Akad. Nauk, S.S.S.R. 9, pp. 5-21: various typescript drafts with Ms. corrections (some incomplete) and telegram

[no title]  CSAC 12.6.74/V/179  1968

'The traditions and future of science' address at the University College of North Wales Science Festival, November: Xerox of typescript with extensive ms. corrections and additions

Material re Homi Jahanga Bhabha FRS  CSAC 12.6.74/V/180-182  1966 - 68

[no title]  CSAC 12.6.74/V/180  1966

Ms. draft (notes on article by J.D. Bernal on reverse of last page) and typescript of obituary (varies from draft) Science Reporter, 3, no. 10, October 1966

[no title]  CSAC 12.6.74/V/181  1968

'The aims and role of science in our time' First Homi Bhabha Memorial Lecture, Bombay, November 9, 1968: Ms. draft and final corrected copy

[no title]  CSAC 12.6.74/V/182  1967

Copies of memorial lectures delivered January 20,1967 at the Royal Institution by Sir John Cockcroft, M.G.K. Menon on Homi Bhabha

[no title]  CSAC 12.6.74/V/183  1969

'C.T.R. Wilson' obituary notice for Fratelli Fabri Editori, June: manuscript drafts, final corrected typescript

[no title]  CSAC 12.6.74/V/184  1969

Photographs and figures to accompany article on C.T.R. Wilson

[no title]  CSAC 12.6.74/V/185  1969

'The nature of the primary cosmic radiation' Walter Bothe Memorial lecture, Heidelberg, August: text of lecture as delivered, Powell's final letter to the Bristol lab (5 August 1969) containing his amendments, amended copy incorporating these corrections

[no title]  CSAC 12.6.74/V/186  n.d

Typescript with Ms. corrections of unidentified speech: note on first page 'CFP cannot place this August 5th, Folkestone' Bristol Conference

[no title]  CSAC 12.6.74/V/187  n.d

Typescript of notes from Clerk-Maxwell's collected papers, Vol 2, C.U.P. 1890

[no title]  CSAC 12.6.74/V/188  n.d

Ms. notes of captions for figures; printed figures

[no title]  CSAC 12.6.74/V/189  1957 - [...] 6

Miscellaneous correspondence re publications and speeches not listed in Items 109-188 (includes draft of message to Japanese scientists.1959)

[no title]  CSAC 12.6.74/V/190  1967

Correspondence re article on P.M.S. Blackett for Encyclopedia Americana and draft and typescript of Powell's article

Royal Society Expedition to Montserrat  CSAC 12.6.74/VI  [n.d.]

[no title]  CSAC 12.6.74/VI/191  1936

Notebook containing daily journal March 21 - July 19, tabular summaries of data, 'accounts of individual observers', 1 page typescript inserted - list of earthquakes in Montserrat

[no title]  CSAC 12.6.74/VI/192  1936

Notebook containing table of 'air samples over the Atlantic' and various tables of data on seismic observations

[no title]  CSAC 12.6.74/VI/193  1936

Ms. draft of report to Royal Society and of 'general report of experimental observations'

[no title]  CSAC 12.6.74/VI/194  1902 - [...] 4

Various offprints re seismic-volcanic activity in West Indies including Powell's preliminary report to the Royal Society and the Royal Society's final report, Phil. Trans, 237, pp.1-34

Offprints and other printed material  CSAC 12.6.74/VII  [n.d.]

[no title or date]  CSAC 12.6.74/VII/195

1945 - 59 (including accompanying note on missing publications as received)

[no title]  CSAC 12.6.74/VII/196  1960 - 65

[no title or date]  CSAC 12.6.74/VII/197

'The role of pure science in European civilisation' speech to the Council of CERN, October 20, 1964: copies of journals where speech was published (see Items CSAC/12/6/74/171 and 171a)

[no title]  CSAC 12.6.74/VII/198  1966 - 69

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