Electrical experimental record sheet for a Watford type EW6 magneto No 99171.
| Identifier | ExFiles\Box 65\3\ scan0260 | |
| Date | 19th April 1926 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS x7791 X.&No:- 7791 Watford type EW6 magneto NO 99171 Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 13-8-27 | lab | | Received in lab. 22-8-27 | " | 31-8-27 | Tested to our complete schedule. 5-9-27 | 12EX | 6-9-27 | Fitted to 12EX. | 3685 | 3731 | 46 | 46 6-9-27 | 9EX | | Removed and fitted instead to 9EX. | 7564 5-10-27 | " | 1-11-27 | Noisy contact breaker. | | 9280 | 1716 | 1762 1-11-27 | lab | | Removed and returned to lab. | | 500 | 1220 | 2982 30-11-27 | | | Bam tests carried out on 9EX. 12-12-27 | Messrs Northis | | Returned to makers owing to tight armature. 11-4-28 | lab | | Received back again. 25-4-28 | | | Production tested OK and handed over to production. 19.4.26. | ||
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).