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).
Page two of a letter to Messrs. Joseph Lucas Ltd. concerning the need for a reliable high-amperage switch.
| Identifier | ExFiles\Box 61b\3\ scan0270 | |
| Date | 23th June 1930 | |
| Messrs. Joseph Lucas Ltd. Well St.{Capt. P. R. Strong} Birmingham. 23rd June, 1930. -2- The combined current, for instance, might be as great as 10 amperes. For this purpose an extremely reliable form of switch is necessary particularly in view of the fact that failure of such a switch might lead to serious consequences. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||