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 showing the design for experimental engine feet.
| Identifier | ExFiles\Box 14\5\ Scan050 | |
| Date | 7th January 1929 | |
| S.S. EXP ENGINE FEET LIMITED ROOM 7 JAN 1929 DERBY | ||