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).
Technical drawing detailing a Hispano servo shoe, its anchorage, and an adjusting screw.
| Identifier | WestWitteringFiles\K\December1923\ Scan47 | |
| Date | 12th July 1923 guessed | |
| [ "HISPANO SERVO", "SERVO SHOE.", "COVER", "ADJ. SCREW.", "SHOE ANCHORAGE.", "SHOE IN POSITION", "2.200", "4.00D", "3.075", "4.175", "6.15." ], | ||