Battery charging, density readings, and performance measurements.
| Identifier | ExFiles\Box 38\5\ Scan179 | |
| Date | 9th December 1921 | |
| -2- Contd. (6) Second charge:- Amperes. From. to. hours. Amp.hours. Date. 6.0 9.15 5.30 8.25 49.5 2.12.21 6.0 8.0 12.0 4.0 24.0 3.12.21 6.0 8.0 12.0 4.0 24.0 5.12.21 Total 97.5 (7) Emptying and refilling, or adjusting densities and levels: OK 6.12.21 (7a) Density readings for battery received charged. 6.12.21 (1) 1280 (4) 1280 (2) 1280 (5) 1280 (3) 1280 (6) 1280. 7.12.21 (8) Weight of battery 95 lbs. 0 ozs. (8a) [Crossed out] (10) [Crossed out] Continuation of charge. OK. (11) [Crossed out] Ampere-hours realised up to point where record takes a sudden turn down:- 51.1 9.12.21 Faint stamp: SECOND Footer: R.R. 526A (100. T.) R.H. 782. 10-12-20 O 2547 | ||
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).