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).
Letter to Small Electric Motors Ltd. requesting connection and operational details for a regulating motor.
| Identifier | ExFiles\Box 61\2\ scan0056 | |
| Date | 13th November 1931 | |
| X 75. ROLLS-ROYCE, LTD. DERBY. TELEGRAMS: "ROYCAR, DERBY." TELEPHONES: DERBY 1320 (6 LINES) IN YOUR REPLY PLEASE QUOTE Ref. Hs{Lord Ernest Hives - Chair}/WSt2/ 13/11/31. Small Electric Motors Ltd., Beckenham, Kent. Dear Sirs, We have had sent to us from the Air Ministry a small regulating motor Mark II serial no. 17529 with your name plate on the carcase. We should be obliged if you would let us know how this is connected up for the purposes of regulating and also particulars of any special internal feature. Also we should be interested to know on what principle the motor works in order to regulate the output of the main dynamo in connection with which it has been supplied to us. Yours Faithfully, FOR ROLLS ROYCE LIMITED. | ||