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 & Exide Sandwich battery.
| Identifier | ExFiles\Box 54\1\ Scan303 | |
| Date | 3rd October 1928 guessed | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: - 4617 . P&R & Exide Sandwich battery SU (157) + P Exide box. Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading Finish. | Miles covered. | Total miles --- 11-6-25 | Lab. | 9-7-25 | Received charged. Routine tests weight - 102 lbs. 62.3 103 - 61.8. | | | | | V 11-7-25 | M.S. | 26-10-25 | | | | | | 26-10-25 | Special Test on Dynamos | 13-11-25 | | | | | | 13-11-25 | M.S. | 14-4-26 | Weight - 100 lbs. | | | | | 14-4-26 | 12EX | 21-5-26 | | 0 | 0295 | 0295 | 295 21-5-26 | 12EX | 25-6-26 | | 0295 | 2256 | 1961 | 2256 25-6-26 | 12EX | 23-7-26 | run 16085 miles in France satisfactorily | 2256 | 4427 | 2171 | 4427 23-7-26 | " | 1-10-26 | | 4427 | 9411 | 16085 | 20,512 1-10-26 | " | | | | | | | 17-11-26 | Bench Tests | 22-11-26 | Bench Tests. Report JC53 22-11-26. Acid changed. | 9411 | 0904 | 1483 | 21,995 18-11-26 | E.M.S. | 8-4-27 | | | | | | Z | ||