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).
Test results page detailing cell densities, charge, and discharge characteristics.
| Identifier | ExFiles\Box 38\5\ Scan090 | |
| Date | 31th August 1920 guessed | |
| -3- Contd. Date:- (11) Cell densities :- (1) (2) (3) (4) (5) to low to read (6) (12) Third charge equivalent to average current of 3 amperes for 23.5 hours. i.e. ampere-hours = 70.5 (13) Discharge at 10 amperes to 10.0 volts. Total hours :- 4.10 Ampere hours realised :- 41.0 17.8.20. 17.8.20 to 20.8.20. 24.8.20 H.R. R.R.L. (100) T.H.S. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 643. 15-2-20. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2618 | ||