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 report detailing cell densities and charge measurements over a period of time.
| Identifier | ExFiles\Box 38\5\ Scan091 | |
| Date | 31th August 1920 | |
| -4- Contd. Date. (14) Cell densities. to low to read. 24.8.20 (1) (4) (2) (5) (3) (6) (15) Fourth charge equivalent to average current of 3 amperes for 23 hours i.e. 69 ampere-hours. 24.8.20 to 31.8.20. Cell densities :- (1) 1250 (4) 1255 (2) 1255 (5) 1250 (3) 1250 (6) 1250. 31.8.20. EFC. R.R. 258A. (100) (T.& S.) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 648. 12-5-20: G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3018 | ||