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 BRNII-3 battery, logging usage, mileage, and modifications over time.
| Identifier | ExFiles\Box 58\3\ Scan216 | |
| Date | 20th April 1931 | |
| X6054 P. ELECTRICAL EXPERIMENTAL RECORD SHEETS. F79369 Deva NO 7535 & 6054. P&R BRNII-3 Battery (215) Date on. | Location. | Date off. | REMARKS. | Miles Reading Start. | Miles Reading Finish. | Miles covered | Total miles. 8-5-29 | Lab. | 22-5-29 | Received dry. | | | | 22-5-29 | First charged | 28-5-29 | weight 57 lbs with lid.{A. J. Lidsey} | | | | 28-5-29 | 18EX | 5-6-29 | | 17984 | 18400 | 416 | 416 5-6-29 | " | 20-7-29 | | 18400 | 19489 | 1089 | 1505 20-7-29 | " | 17-9-29 | | 19489 | 20,353 | 964 | 2,469 17-9-29 | " | 15-10-29 | | 00012 | 3052 | 3040 | 5,509 15-10-29 | " | 14-11-29 | Fitted with 1/2" lead washers & Ebonite collars. | 3052 | 5833 | 1781 | 7,290 22-11-29 | 20EX | 31-1-30 | | 9709 | 11562 | 1853 | 9,143 31-1-30 | " | 12-3-30 | | 11562 | 12066 | 504 | 9,647 14-3-30 | " | 12-5-30 | | 12066 | 12937 | 871 | 10,518 12-5-30 | " | 30-5-30 | | 12937 | 13,341 | 404 | 10,922 30-5-30 | " | 18-8-30 | | 13,341 | 17,615 | 4274 | 15,196 18-8-30 | " | 18-10-30 | | 17,615 | 20969 | 3354 | 18,550 18-10-30 | " | 1-12-30 | | 20969 | 22,241 | 1272 | 19,822 1-12-30 | " | 6-12-30 | | 22,241 | 22332 | 81 | 19,903 6-12-30 | Bench tests. | 30-12-30 | Results v.{VIENNA} good Report J.D.110 31-12-30 | | | | No further record kept. F.J. 20-4-31 | ||