Cockcroft, John Douglas, Sir, 1897 - 1967 (Knight, nuclear physicist and first Master of Churchill College)
Dates and places
1897-1967
Geographical areas
Cambridge University, Cambridge, UK
Legal status / Nationality
British
Sphere of activity
Physics
Found in 22 Collections and/or Records:
20 KV Rectifier, 1937 - 1939
Comprises: correspondence exchanged chiefly between J.D. Cockcroft and De Bruyn, estimates and blue-print for erection by Watson and Co. (Electro-Medical) of a rectifier at G.E.C., Wembley and the Magnetic Laboratory in the Cavendish; electrical specifications for the new Cavendish buildings and lists of suggestions for designs based on the Scandinavian tour.
Accounts, correspondence and memoranda relating to the costs of rebuilding and efforts at economies, 1937-01-12 - 1939-04-26
Correspondents include T.C. Knox-Shaw, H.C. Marshall, H.G. Cherry and Charles Holden.
Anatomy School Alterations, 1938-08 - 1938-10
Comprises: correspondence, specifications, plans and lists of work.
Assorted correspondence between J.D. Cockcroft, J.F. Allen, J.A. Ratcliffe, W.B. Lewis, with Tyler and Freeman about the electrical contract, 1938-01-27 - 1944-04-17
Cavendish Laboratory archives, 1876 - 1999
Correspondence and estimates re rewiring, chiefly exchanged between J.D. Cockcroft and Messrs. Tyler and Freeman, 1938-03-08 - 1939-08-21
Correspondence, chiefly with Lord Austin and the University Treasurer, relating to arrangements for laying foundation stone for Austin Wing; draft inscription for stone, 1939-03 - 1939-05
Correspondence concerning applications for release and/or grants; promotions of demonstrators within the Cavendish; arrangement of a contract for radio research under J.A. Ratcliffe; release of J.D. Cockcroft from Canada, 1944-10-20 - 1945-09-13
Comprise: correspondence, lists of names, informal minutes of Laboratory committee meetings, circulars from General Board and Ministry of Labour and National Service.
Correspondence concerning visits to Hayes Gramaphone Building, Leeds, Paris, Eindhoven, Denmark and Sweden, with some calculations of costs, 1936-11 - 1937-07
Correspondence relating to the needs of new Laboratory and of Ernest Rutherford's successor, with proposals for reorganisation of Laboratory, 1937-11
Correspondence, vouchers, unconfirmed minutes of a committee of the Buildings Syndicate, and plans relating to the improvement of electrical equipment for the cyclotron, 1944-05 - 1947-02
Includes letters from H.C. Marshall, J.D. Cockcroft and T. Knox-Shaw. Also some miscellaneous unrelated papers about A.R.P. and fuel-saving.
Electrical class-room alterations, 1938-04-20 - 1938-06-03
Comprises: correspondence between J.A. Ratcliffe, E.S. Shire, and J.D. Cockcroft, estimates and tenders for re-wiring Part II class-room.
Electrical contract, 1938-11-22 - 1940-01-30
Comprises: three drafts of specifications and estimate by Messrs. Tyler and Freeman, with memoranda of old materials recovered and plans of special installations, all annotated by J.D. Cockcroft.
Estimates and specifications, 1938-07 - 1938-10
Include working copy of specification with notes, possibly by J.D. Cockcroft.
Fittings, 1938-02-02 - 1939-05-26
Comprises: brochures, estimates and correspondence between J.D. Cockcroft and M. Polanyi.
Minutes of staff committee on detailed planning of the rebuilding, with some specifications and a few committee papers from other sub-committees; 40 letters from E.S. Shire, possibly to J.D. Cockcroft, 1937-11 - 1940-01
Minutes, reports, estimates, notes of visits to Leeds University and various continental laboratories, 1936-8; minutes of various committees and sub-committees; 52 letters from W.L. Bragg to J.D. Cockcroft, 1936-07-23 - 1938-12-10
Reconstruction of Old Laboratory, 1938-05 - 1938-08
Comprises: copy orders for work and equipment with lists of changes proposed in east wing, with some notes to Crowe, Cherry, Feather, and Appleton.
Specifications and some correspondence, chiefly J.D. Cockcroft's, relating to alterations to the Maxwell research room on the ground floor, 1938-05 - 1938-06
Specifications listing numbers and varieties of blinds, curtains, floor coverings and furniture required, 1939-03 - 1939-04
Tenders and specifications for supply of equipment for the new High Tension Laboratory with many notes by J.D. Cockcroft, 1935 - 1938
Wiring fitting, 1932 - 1939
Comprises:-specifications, estimates, brochures, tenders and correspondence, chiefly conducted by J.D. Cockcroft with W. Lucy, Metro-Vick, Troughton and Young, Chloride Storage Company, Siemens-Schuck, Tyler and Freeman, G.E.C., Tudor Accumulator Company.