Statement of problem (duplicated typescript, 7 pages), and Strachey's calculations, using Pegasus machine.

Six bundles of notes aiming to translate Pegasus programs to EDSAC II. n.d. but after 1958.

Calculations and routines for MUSE (Manchester University Computer) especially regarding autocode and floating point arithmetic, in response to a letter from N. Brown, January 1959 (enclosed).

Miscellaneous reports and memoranda regarding the I.B.M. Stretch Computer (a very high speed machine) sent to Strachey as background information, with a memorandum by D. Hennessey.

Folder of miscellaneous papers, including: Summary of a meeting to discuss the technical problems of the development of a high speed computer, held at Harwell, April 1957. Manuscript and typescript versions of Strachey's paper on the design and specification of such a machine, July 1957. Calculations and notes by Strachey for machine design and for administrative…

Correspondence with companies in the USA for information on high-speed circuits and components.

Folder of miscellaneous papers, including 'N.R.D.C. and High speed computers', chronological summary of meetings during 1957 and notes on those attending meeting at Harwell, February 1958. (Strachey was the National Research Development Corporation representative at this meeting.) Agenda and report of meeting. Interim report, Strachey's comments, discussions on wording,…

Mainly Committee papers of the National Research Development Corporation Sub-committee on Electronic Computers, September 1958-March 1959, bearing on discussions regarding high speed computers, National Research Development Corporation support for and relations with various UK and other computer manufacturers. Strachey was a member of the Sub-committee until he and Lord Halsbury left the National…

Five bundles, probably related to, or developed from, work on the fast computer project. Includes manuscript code, pseudocode, and printed output from a test compiler.

Two bundles and loose pages, probably related to, or developed from, work on the fast computer project. Includes code, pseudocode, timing notes, and a printed Pegasus - Summarized Programming Information chart.

Folder of calculations, printouts, etc. related to new developments in cathode-ray tubes discussed in paper by D. Gabor et al, Proc. I.E.E., 1958; a copy of the paper, and correspondence from Gabor regarding 'electron-optical computations on flat TV-tube' are included. Probably undertaken as a study of cathode ray tube storage relating to the I.B.M. Stretch and high speed computer project.