Home > LEO Computers > Lyons Electronic Office (LEO) Archive > CMLEO/EL - Ernest Lenaerts Collection > Lenaerts Corresponden ... nchester photocopies) > 62816 Lenaerts-Cadby Hall correspondence > 62895 Lenaerts drafts ... ork on LEO I, 1948-49

62895 Lenaerts drafts of notes/papers in preparation for preliminary work on LEO I, 1948-49

Photocopies of memos and papers written by Ernest Lenaerts following his secondment to the EDSAC team in Cambridge, as research for preliminary work on LEO I.

- 151-153. Photocopy of a paper: Estimates of the Cost of Preliminary Work and Advance Provisioning for the Electronic Computor, 2nd February 1949; 
- 154-156. Photocopy of a file copy (written by Lenaerts) of a memo from W.J. Edwards to John Simmons enclosing a list of required equipment prepared by Lenaerts, undated [Lenaerts mentions submitting the report in his memo to Mr Mayne, 19th Nov].
- 157-158. Photocopy of a draft memo from Ernest Lenaerts to John Simmons, undated: Test Equipment needed for the Construction and Maintenance of an Electronic Computer.

Page numbers in red were added by Peter Bird.

Date : 1948 to 1949

Creator : Lenaerts, Ernest

Physical Description : 8 pages, paper; manuscript and typescript; photocopies

Provenance :
The photocopies were originally requested by Peter Bird, as part of his research for LEO - The First Business Computer, and later donated to the NAHC, then transferred to CCH at the request of the LEO Computers Society for inclusion in their archive.

Archive References : CMLEO/EL/CW/1/7 , CCH OE 778.151-158 , DCMLEO20210113081-086,DCMLEO20210118001-002

This exhibit has a reference ID of CH62895. Please quote this reference ID in any communication with the Centre for Computing History.
Article: 62895 Lenaerts drafts of notes/papers in preparation for preliminary work on LEO I, 1948-49

This document has been scanned and is available to view online.
Estate of Ernest Lenaerts and Lyons copyright
File Size: 2.65 MB

Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum