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 a 10,000-mile test of an AT Speedometer.
| Identifier | ExFiles\Box 59\2\ Scan069 | |
| Date | 10th February 1930 | |
| X4308 ELECTRICAL EXPERIMENTAL RECORD SHEETS. 10000 Mile Test Date :- X.No 4308 Item :- AT Speedometer No C561.740. 11/52 | Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish | Miles covered | Total | |---|---|---|---|---|---|---|---| | 10-2-30 | Lab | 14-2-30 | Tested see report. | 14202 | 14402 | | | | 15-2-30 | 19G4 | 18-6-30 | 18-2-30 | 14402 | 32292 | 17890 | 17890 | | 18-6-30 | Lab | 21-6-30 | Tested see report *25-6-30. | 32292 | 35744 | 3452 | 21342 | | 21-6-30 | 19G4 | | | | | | | | 9-9-30 | | | bar disposed of, no further record kept S.P. | | | | | | ||