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).
Hand-drawn diagram of a servo-assisted mechanical linkage system with a suspension link.
| Identifier | WestWitteringFiles\K\December1923\ Scan26 | |
| Date | 1st December 1923 guessed | |
| Servo 150 LBS x 5 INS MOVET. SUSPENSION LINK. | ||