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 sequence starter pinion operated switch.
| Identifier | ExFiles\Box 64\3\ scan0255 | |
| Date | 19th April 1926 | |
| B. ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No:- 7650 Sequence Starter pinion operated switch Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 29-11-26 | lab | 3-12-26 | Received from shop Tested OK. 3-12-26 | 14EX | 25-4-27 | Fitted to 14EX speedometer changed Taken off chassis returned to lab. | 8855 | 9406 | 551 | 551 20-12-26 | " | | 12-5-27 | lab. | | 9-12-27 | | | Now obsolete. 19.4.26. | ||