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 an Exide 3RR5-IL-4 Battery, tracking mileage and modifications.
| Identifier | ExFiles\Box 58\3\ Scan205 | |
| Date | 20th April 1931 | |
| X6054 E F79369 IXNA 7535 + 6054 ELECTRICAL EXPERIMENTAL RECORD SHEETS Exide 3RR5-IL-4 Battery (212) 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 | 19 EX | 1-6-29 | | 6696 | 8529 | 1833 | 1833 1-6-29 | " | 1-7-29 | | 8529 | 9718 | 1189 | 3022 1-7-29 | " | 12-8-29 | | 9718 | 11,683 | 1965 | 4987 12-8-29 | " | 4-9-29 | | 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 | | 15,951 | 17,704 | 1853 | 11,108 31-1-30 | " | 13-2-30 | 13-2-30 Central packing plate fitted with insulators. | 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 JD{J. Draper - Frames}63 19-3-30 Results good. | | | | 28-3-30 | 19EX | 12-5-30 | | 18689 | 20844 | 2155 | 14,164 12-5-30 | " | 21-5-30 | | 20844 | 21382 | 538 | 14,702 21-5-30 | " | 4-7-30 | | 21382 | - | 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 | ||