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).
Battery test report detailing charge cycles, density readings, weight, and ampere-hours.
| Identifier | ExFiles\Box 54\1\ Scan180 | |
| Date | 30th June 1925 | |
| -2- contd. Date. (6) Second charge :- Amperes. from __ to __ hours Amp.hrs. Total ______ (7) Emptying and refilling, or adjusting densities and levels. (7a) Density readings for battery received charged. 22-6-25 (1) 1280 (4) 1250 (2) 1250 (5) 1290 (3) 1290 (6) 1250 (9) Weight of battery 102lbs. 0 ozs. 22-6-25 (10) Continuation of charge. OK. (11) Ampere-hours realised up to a point where record takes a sudden turn down :- 62.3 30-6-25 (12) Cell densities :- (1) 1175 (4) 1155 (2) 1150 (5) 1170 (3) 1175 (6) 1150. Contd 2 | ||