Graph illustrating battery discharge characteristics over time, showing multiple voltage and amperage readings.
| Identifier | ExFiles\Box 164\4\ img121 | |
| Date | 9th May 1933 guessed | |
| BATTERY VOLTS 3.0 3.5 4.0 4.5 5.0 5.5 6.0 CELL VOLTS 1.2 1.3 1.4 1.5 1.6 1.7 1.8 AMPERES 60 70 80 90 100 110 120 CADMIUM TO POSITIVE VOLTS 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 CADMIUM TO NEGATIVE VOLTS 0.20 0.30 0.40 0.50 DURATION OF DISCHARGE 0 2 4 6 8 10 | ||
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).