Notebook kept by Ernest Lenaerts during his work on the LEO computer, dated 31st March to 2nd October 1955.

Includes entries:
NB20-002: 31/3/55
NB20-004: Maintenance of LEO.  Staff
NB20-005: New Applicants
NB20-006: 6/4/55-7/4/55
NB20-007: Training of New Engineers
NB20-008: 14/4/1955
NB20-011: TRT
NB20-013: Switching from Auxiliary equipment
NB20-016: TRT. Pulse Separation
NB20-018:  10/5/1955
NB20-020:  11/5/1955
NB20-022:  Problems
NB20-024: Valve Requirements
NB20-034: Progress Report
NB20-035:  8/6/55. Job Sheet Weekly
NB20-037:  8/6/55  
NB20-038:  13/6/55
NB20-040:  14/6/55
NB20-042:  20/6/55
NB20-043:  27/6/55
NB20-046: Jobs for Trainees. Rota
NB20-047:  1/7/55
NB20-048:  Note
NB20-049:  Bull printer
NB20-054: Schools. Alarms
NB20-056:  1/8/55. Before Holiday
NB20-058:  5/8/55
NB20-060: Microscope Powers
NB20-061: Flourescent Suppressor
NB20-065: Points for TRT
NB20-066: Pulse generator for Training rack
NB20-068:  6/9/55
NB20-076: Ferranti Mk II
NB20-079: Shift Work Pay


The Lenaerts notebooks are being digitised and transcribed as part of the National Lottery Heritage Funded LEO project at The Centre for Computing History.  We are indebted to our team of volunteers for scanning and transcribing the notebooks. If you would like to get involved with our work on these fascinating documents, please get in touch!

Provenance :
The notebooks are being digitised while on loan to The Centre for Computing History from the LEO Computers Society, with the kind permission of the Lenaerts family.