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).
Specification for the maximum current of the Smith Electric Petrol Gauge.
| Identifier | ExFiles\Box 61\3\ scan0345 | |
| Date | 20th February 1933 | |
| X6135 For Files. 20.2.33. SMITH ELECTRIC PETROL GAUGE. The maximum current taken by this device at 12 volts is .200 amperes. Hs{Lord Ernest Hives - Chair}/Wst. | ||