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 main switch and relay unit.
| Identifier | ExFiles\Box 64\4\ scan0272 | |
| Date | 19th April 1928 | |
| X7655 C. ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No.:- 7650 Sequence Starter main switch and relay unit Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. --- | --- | --- | --- | --- | --- | --- | --- 24-6-26 | lab | 13-7-26 | Received for test from R.H.C. Tested O.K. | | | | 13-7-26 | 9EX | | Fitted to 9EX | 4759 | 5920 | 1161 | 1161 10-8-26 | " | | | | 7490 | 1570 | 2731 14-9-26 | " | | | | 7848 | 358 | 3089 11-10-26 | " | | | | 8405 | 557 | 3646 9-11-26 | " | | | | 8855 | 450 | 4096 6-12-26 | " | | Speedometer changed | 9406 | 9610 | 204 | 4300 3-1-27 | " | | | | 274 | 664 | 4964 2-2-27 | " | | Sent to A.J.S for inspection etc. | | | | 10-3-27 | " | | Refitted to 9EX. | | | | 4-4-27 | " | | Speedometer changed | 0000 | 1071 | 1071 | 5035 8-6-27 | " | | | | 3350 | 2279 | 7314 7-7-27 | " | | | | 4866 | 1516 | 8830 17-8-27 | " | | | | 6977 | 2111 | 10941 15-9-27 | " | | Functioning quite OK. | | 8520 | 1543 | 12484 5-10-27 | " | | | | 9280 | 760 | 13,244 9-12-27 | " | | | | 2142 | 2862 | 16,106 9-1-28 | " | | | | 3042 | 900 | 17006 19.4.28. | " | | | | | | | ||