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).
Discharge capacity test results for a new type Lucas starter battery.
| Identifier | ExFiles\Box 35\1\ scan 105 | |
| Date | 24th January 1918 | |
| R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.2676B - NEW TYPE LUCAS STARTER BATTERY 24.1.18. Discharge capacity test. Hours. Amperes. Ampere Hours. 7¼ 4 29 14 1¾ 24½ 5½ 4 22 Total ampere hours discharged 75½ 75¼ Voltage at end of discharge 1.7 volts per cell. O Lucas 1250 c/1 | ||