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).
Blueprint graph showing the output curve for a Standard 5' Dynamo.
| Identifier | ExFiles\Box 35\3\ scan 083 | |
| Date | 30th April 1925 guessed | |
| STANDARD 5" DYNAMO OUTPUT CURVE 12V 12A - AMPERES - - RPM - THE MIDGLEY CAR LIGHTING CO LTD 1A COCKSPUR STREET. S.W.1. | ||