100 notebooks, quarto, compiled in manuscript, dating from 1949 to the early 1950s. The notebooks have been donated to the LEO Computers Society by Paul and David Lenaerts, Ernest’s sons, and have been scanned into digital format by Bill Purvis, a member of the Computer Conservation s They can be viewed at http://www.billp.org/LEO“
Wally’s daughter Andrea has donated her father’s collection of LEO memorabilia including published papers dating back to 1954, newspqper articles and photographs
There are many other private hoards and the LEO Computers Society would welcome information about such holdings.
J. Lyons donated some LEO I items to the Museum in 1965. Documentation relating to the donation is held by Peter Byford of the LEO Computers Society, and photographs of LEO I hardware items are held by Chris Burton of the Computer Conservation Society. The items themselves are currently (October 2018) not available for viewing whilst a major refurbishment of the Museum is taking place..
The Museum opened a new Gallery The Information Age, which features amongst other exhibits tracing the evolution of the information age, a special section devoted to LEO, including recordings of a teashop manageress reflecting on the changes the Teashop Job (L3) made to her life. The new Gallery is sponsored by a number of members of the IT industry and organized and managed by Dr Tilly Blyth of the Science Museum. The Science Museum website includes in its section on computing, a comprehensive account of the LEO story including photographs. See meet-leo-worlds-first-business-computer LEO items held are displayed at Collection_of_LEO_Items
Science Museum, London. Read More »
The Museum has LEOlll/33 (Phoenix Insurance), as well as three LEO III circuit boards, one of which is on display, and three circuit boards from LEO IIs. The museum holds a number of LEO related documents including manuals which as yet not catalogued. The Senior Curator of Modern Science and Computing is Dr Tacye Phillipson: t.phillipson@nms.ac.uk Website: http://www.nms.ac.uk/
National Museums Scotland, Edinburgh. Read More »
LEO hardware items at TNMOC are listed at Hardware May 2010.pdf (3MB) and flowcharts of LEO I microinstructions at http://leo.settle.dtdns.net/LeoCode/MicroProgs.htm Information about LEO related items and activities listed at V http://www.tnmoc.org/search/node/. Trustee of Museum and Secretary of Computer Conservation Society is Kevin Murrell,
kevin.murrell@tnmoc.org I Website: http://www.nms.ac.uk/
The National Museum of Computers (TNMOC), Bletchley. Read More »
– see ARCHIVES –LEO DOCUMENTS AND ARTEFACTS above
The Cambridge Centre for Computer History Read More »
founded in 2003 is a small museum which aims to preserve the history of computing, to be used as a valuable educational resource and as an information repository for historians, collectors and the media, and to illustrate this history in an entertaining way. Its collection includes a LEO magnetic tape reel. It can see it on display on this view in a virtual tour on their website.
The Swindon Museum of Computer History, Read More »
A private online facility established by Peter Wooledge to display a very large range of material relating to computer history, Items displayed include software manuals, hardware items, manuals, journal and magazine articles and a number include material related to LEO and its successors. The full contents can be explored at: http://www.vintage-icl-computers.com
Included are details and photos of the 212 (now 218) LEO III magnetic tapes owned by Peter Wooledge and currently (August 2021) being investigated by Delwyn Holroyd of the Computer Conservation Society.
The page for the Tapes can be found at: http://www.vintage-icl-computers.com/icl42
The ICL Computer Museum. Read More »