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 coil with specially built up windings.
| Identifier | ExFiles\Box 69\1\ scan0222 | |
| Date | 15th July 1929 | |
| X8710. SP{Mr Spinney}8 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: - 8710 Coil with specially built up windings on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 19/10/27 | lab | 21-10-27 | Received from Mr Brock | 22-10/27 | 14EX | | Placed on 14EX | 1060 5-11-27 | " | | | | 1150 | 90 | 90 21-11-27 | " | | speedometer changed | | 1917 | 867 | 957 30-11-27 | " | | | 2532 7-5-28 | " | | Fewer Primary coil | | 372 | 7840 | 8797 7-6-28 | " | | | | 2155 | 1783 | 10580 3-7-28 | " | | Car at W.W. | | 3342 | 1187 | 11,767 15-2-29 | " | | | | 8072 | 4730 | 16,497 18-3-29 | " | | | | 9465 | 1393 | 17,890 15-4-29 | " | | | | 1033 | 1568 | 19,458 14-5-29 | " | | | | 1950 | 917 | 20,375 6-7-29 | " | | | | 4297 | 2347 | 22,722 15-7-29 | lab. | | Coil removed from chassis and unwound. Found to be quite OK. No signs of undue heating. | ||