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54266 LEO I Reliability Test
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Description of Photograph Photograph of (left) Ernest Lenaerts and (right) Derek Hemy following the successful LEO Reliability Test. The blackboard reads: LEO RELIABILITY TEST Started 10.00 hrs 10 Jan 1952RUNNING TIME TO DATE: 36 hrs BREAKDOWNS: 5 Lasting 83 mins, Wasting 2 1/2 hrs work HALTS: 14 Totalling 60 mins CURRENT TAX WEEK 36 Correct to 2215 Lask wkt fell at 2040 LEO worked for a 59-hour continuous run from 10am on Thurs 10th Jan to 9pm on Sat 12th Jan 1952. It was kept switched on throughout the whole of that period and was engaged on producing the PAYE tax tables.
Caption on reverse: 'Lenaerts & Hemy triumphant!'
Provenance Date: 12th January 1952 Photographer: Unidentified Archives Hub References: CMLEO/PB/PH/1/1 PJB/3/2/1 Other References: DCMLEO20190724001 Comment on This Photograph This exhibit has a reference ID of CH54266. Please quote this reference ID in any communication with the Centre for Computing History. 
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