From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Electrical experimental record sheet for an A.T. Speedometer, detailing mileage tests.
| Identifier | ExFiles\Box 50\4\ Scan231 | |
| Date | 28th September 1928 | |
| LARGE DIAL Change of reading test ELECTRICAL, EXPERIMENTAL RECORD SHEETS. X No. 4308 Date on. Location. Date off. A.T. Speedometer B138 N.730 15/52 REMARKS. Miles reading Start. Miles reading Finish. Miles Covered. Total Miles. 20-3-28 Lab 28-3-28 Inst sent to party AJL for improvement. Improvement effected in our EFC {E. Fowler Clarke - Electrical Engineer} 2/T 24-3-28 report 28-3-28 12 EX 18-8-28 00812 09836 9024 9024 18-8-28 " 4-9-28 09836 10722 886 9910 19-9-28 Lab Tested see report in file dated 28.9.28 No further record kept. | ||