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\ scan0274 | |
| Date | 19th April 1926 | |
| X7655 ELECTRICAL EXPERIMENTAL RECORD SHEETS D.{John DeLooze - Company Secretary} X.&No.:- 7650 Sequence Starter main switch + relay unit. Date on. Location. Date off. REMARKS. Miles reading start. Miles reading finish. Miles covered. Total miles. 18-10-26 Lab 3-12-26 Received for test from Shop. Tested OK. 3-12-26 20-12-26 14EX Fitted to 14 EX Speedometer changed 8855 9406 551 551 12-5-27 " Used in conjunction with sliding arm motor. 106 1060 954 1505 30-8-27 " Speedo changed 0000 1269 1269 2774 8-9-27 " " 1908 639 3413 5-10-27 28-10-27 " " 1060 1150 90 3503 5-11-27 21-11-27 " Speedometer changed 1917 867 4370 10-12-27 " Sent on chassis to R.{Sir Henry Royce} 2532 7-5-28 " " 737 7840 12210 7-6-28 " " 2155 1418 13628 3-7-28 " " 3342 1187 14,815 15-2-29 " " 8072 4730 19545 18-3-29 " This switch is now obsolete being superseded by mechanical interlock switch. 9465 1393 20,938 15-4-29 " 1033 1568 22,506 14-5-29 " 1950 917 23,423 19.4.26. | ||