User Manual for LEO III

 

Description: Copies of the User Manual for the LEO III computer.

The manual has 6 volumes (the Society has collected multiple copies of each):

I. Hardware;
II. CLEO;
III. Intercode;
IV. Master Routine and Program Trials system;
V. Test programs and utilities;
VI. Peripherals. 

Archive Reference : CMLEO/LS/MN/USR  (CCH LI 20.C196)

Provenance :  Collected by John Daines of the LEO Computers Society from a number of former LEO engineers, including Mike Buckley, Bob Grazebrook, Tony Morgan, Geoff Cooper.

ONLINE LEO III USER MANUALS AVAILABLE : Further volumes from the LEO III User Manual have been digitised and made available online in searchable HTML format, through the work of David Holdsworth, Ken Kemp and colleagues: LEO III User Manuals

We are very grateful to Ken Kemp for his expert advice regarding the manuals.

 

 

User Manual for LEO III: Vol 1, Computer Facilities
User Manual for LEO III: Vol 2, CLEO
User Manual for LEO III: Vol 3, The Intercode Programming System
User Manual for LEO III: Vol 4, Master Routine and Program Trials
User Manual for LEO III: Vol 5 - Other Standard Programmes
User Manual for LEO III: Vol 6, Computer Controls, Indicators and Error Procedures
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