Correspondence regarding the problem of test pole stresses and deflections and Strachey's progress with it.

Notes, calculations and graphs on the problem of test pole stresses and deflections, many on verso of class exercises at Harrow. Manuscript and typed versions of Strachey's report 'Calculation of test loads for tapered tubular poles'.

Miscellaneous drawings, diagrams and specifications sent by Foster Brothers to Strachey and with his annotations, additions, etc.

Correspondence regarding possible use of a computer for Glyndebourne Opera bookings.

Correspondence on consultancy and renewals, 1964-1965. Includes one letter on Mercury Auto Code, 1960.

Correspondence on consultancy, visits, etc., and on disc store.

Correspondence regarding Basic Language Machine. Includes I.C.T. draft manual, with comments and annotations by Strachey.

Correspondence regarding the design of the (model) 1908 computer.

Correspondence regarding meetings and projects, especially concerning the Interactive Programming System and user methods. Includes reports and papers.

General correspondence regarding consultancy, including a copy of Strachey's Agreement

Correspondence, memoranda, etc. regarding meetings and projects, mainly on Electronic Telegraph Switching, and patents on 'Memory Systems' arising therefrom (1962). Some briefer correspondence on Parcel Conveyor Control (1964) is included. Includes 2 reports by Strachey, 7 March 1962: 'Electronic Telegraph Switching. Draft Proposals' and 'Parallel Access to a Drum'. November 1961-November 1964. Fuller correspondence, drafts and information on Patents was kept in a…

Brief notes and working papers by Strachey on the Electronic Telegraph Switching project.

Tagged folder of notes and routines for the Electronic Telegraph Switching project, various dates This is the full record of Strachey's work on the project, and the basis of his summary reports in MS. Eng. misc. b. 283/D.92, an extra copy of which is included here.

Correspondence, drafts, amendments, etc. regarding patenting of 'Improvements in or relating to information storage systems' (joint inventors were Strachey and Peter Swift of Mullard), Patent Application 19287/62. PHB 31100, on Drum Storage; Patent Application PHB 31141 (inventor Strachey) on Random Access to Drum Store.

Manuscript and typescript drafts for a paper 'Logarithmic Calculator', prepared for Mullard Ltd. and dated. (This antedates Strachey's formal consultancy with the firm, but was kept with the later material.)