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 P & R & Cside Sandwich Battery.
| Identifier | ExFiles\Box 54\1\ Scan304 | |
| Date | 3rd October 1928 | |
| Page 2. ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: - 4617 P & R & Cside Sandwich Battery sc(157) on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 8-4-27 | 9EX | 29-4-27 | | 1083 | 1661 | 578 | 22,573 29-4-27 | 12EX | 27-5-27 | | 5291 | 6676 | 1485 | 24,058 27-5-27 | " | 2-7-27 | Speedometer changed. | 6676 | 9993 | 3317 | 27,375 15-7-27 | " | 15-7-27 | | 1227 | 2697 | 1470 | 28,845 17-9-27 | " | 23-9-27 | | 2697 | 4001 | 1304 | 30,149 23-9-27 | Bench Tests | 3-10-27 | Results fair Report JC96 3-10-27 | | | | 14-10-27 | 12EX | 26-10-27 | | 5104 | 5808 | 704 | 30,853 26-10-27 | " | 2-11-27 | No 6 cell P&R failed. Replaced by P&R cell from sy. Report JC115 19-7-28 | 5808 | 6006 | 198 | 31,051 2-11-27 | M.S. | 17-7-28 | no4 cell failed P&R.{Sir Henry Royce} All remaining cells to be used as replacements Report JC129 3-10-28. Bench life test 22 months. | | | | 19-7-28 | " | 1-10-28 | | | | | | ||