Electrical experimental record sheet for a Mushroom type H.T. Rotor.
| Identifier | ExFiles\Box 61b\2\ scan0097 | |
| Date | 3rd September 1928 | |
| x7699 Mushroom type H.T. Rotor for Battery ignition distributor X4041 ELECTRICAL EXPERIMENTAL RECORD SHEETS. Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 3-3-28 | 12 EX | | Fitted to chassis 12EX for 10000 mile test. | 712 | | | 12-4-28 | " | | | | 1068 | 356 | 356 7-5-28 | " | | | | 3809 | 2741 | 3097 4-6-28 | " | | | | 5426 | 1613 | 4710 6-7-28 | " | | | | 7048 | 1622 | 6332 13-8-28 | " | | Rotor OK. | | 9264 | 2216 | 8548 3-9-28 | " | | | | 10722 | 1458 | 10006 This item is now standard. | ||
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).