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 logging the performance of an Exide battery.
| Identifier | ExFiles\Box 58\3\ Scan204 | |
| Date | 20th April 1931 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS. F/9369 X6054 B Des/No 7535 * 6054 Exide 3RRS4L-3 Battery (211) Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered | Total miles. 23-4-29 | Lab. | 3-5-29 | Received charged weight 55 lbs with lid{A. J. Lidsey} | | | | 3-5-29 | 19EX | 1-6-29 | | 6696 | 8529 | 1833 | 1833 1-6-29 | " | 1-7-29 | | 8529 | 9718 | 1189 | 3022 1-7-29 | " | 12-8-29 | | 9718 | 11683 | 1965 | 4987 12-8-29 | " | 9-9-29 | | 11,683 | 12,410 | 727 | 5714 9-9-29 | " | 5-11-29 | | 12,410 | 14,828 | 2418 | 8,132 5-11-29 | " | 6-12-29 | | 14,828 | 15,951 | 1123 | 9,255 6-12-29 | " | 31-1-30 | 1-30 central packing plate fitted with insulators | 15,951 | 17,704 | 1853 | 11,108 31-1-30 | " | 13-2-30 | | 17,704 | 18,050 | 346 | 11,454 13-2-30 | " | 14-3-30 | | 18,050 | 18,605 | 555 | 12,009 14-3-30 | Bench Tests | 19-3-30 | Report J D 63 19-3-30 Results good. | | | | 28-3-30 | 19EX | 12-5-30 | | 18,689 | 20,844 | 2155 | 14,164 12-5-30 | " | 21-5-30 | | 20,844 | 21,382 | 538 | 14,702 21-5-30 | " | 4-7-30 | | 21,382 | - | 4117 | 18,819 4-7-30 | " | 15-8-30 | | 00055 | 2318 | 2263 | 21,082 15-8-30 | " | 26-9-30 | | 2318 | 4644 | 2326 | 23,408 26-9-30 | Lab. | | No further record kept. | | | | G.J. 20-4-31. | ||