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 log detailing charging, density readings, and discharge performance.
| Identifier | ExFiles\Box 38\5\ Scan089 | |
| Date | 18th August 1920 | |
| Contd. -2- Date:- (6) Second Charge :- Amperes from to Hours. Amp.Hours. Total (7) Emptying and re-filling, or adjusting densities and levels. (7a) Density readings for battery received charged. (1) 1250 (4) 1250 (2) 1250 (5) 1255 (3) 1255 (6) 1255 (8) Continuation of charge. O.K. (9) Weight of battery 107lbs.7 ozs. (10) Discharge at 6 amperes to 10.5 volts. Total hours :- 9.55 Ampere hours realised:- 58.5 Handwritten text in right margin: 16.8.20 11/8/20 to 18/8/20. 16.8.20 to 17.8.20 | ||