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 Watford EW6 Magneto, No 100094.
| Identifier | ExFiles\Box 65\3\ scan0304 | |
| Date | 31th March 1928 | |
| X7791 X7791. Watford EW6 Magneto No 100094. ELECTRICAL EXPERIMENTAL RECORD SHEETS. Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading Finish. | Miles covered. | Total miles. 26-1-28 | lab | 2-2-28 | Received from makers. 3-2-28 | 9EX | 3-2-28 | Tested for noise on 9EX. 4-2-28 | lab | | Returned to lab as being reasonably O.K. 6-2-28 | " | 6-2-28 | Production tested OK 6-2-28 | 17EX | | Fitted to Sports chassis 17EX for test. 5-3-28 | " | 31-3-28 | | | 429 | 429 | 429 31-3-28 | lab | | Failed to start the engine, removed to lab. Dismantled for examination of gear teeth. | Norths' | | Returned to Messrs Norths for reconditioning. | | | Received back. | | | Handed over to production | ||