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).
Experimental record sheet for an Exide 6XL3-4-6 battery test.
| Identifier | ExFiles\Box 58\3\ Scan188 | |
| Date | 20th April 1931 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS. X.4642E Exide 6XL3-4-6 Battery (223) Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered | Total miles. 23-10-29 | Lab | 13-2-30 | Received charged. weight 78 lbs. 13-2-30 | 14 G IV | 12-5-30 | | 14,402 | 30,851 | 16,449 | 16,449 12-5-30 | " | 30-5-30 | | 30,851 | 31,708 | 1,857 | 17,306 30-5-30 | " | 11-9-30 | | 31,708 | 35,784 | 4,076 | 21,382 20-9-30 | Bench Tests | 29-9-30 | Results good. Report JD {J. Draper - Frames} 96 29-9-30. 29-9-30 | E.M.S. 17 G IV. | 22-2-31 | | 31083 22-2-31 No further record kept GJ 20-4-31 | ||