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 scheme for a return spring on a throttle governor.
| Identifier | ExFiles\Box 66a\3\ scan0054 | |
| Date | 30th March 1925 | |
| SCHEME 632 SPRING E50295 WITH 3 COILS CUT OFF TO BE TRIED LOAD WIEGHTS CLOSED 2 LBS LOAD WIEGHTS OPEN 10 OZS RETURN SPRING (THROTTLE GOVERNOR) EAC VI ROLLS ROYCE, LIMITED PRINT ROOM 30 MAR. 25 DERBY | ||