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).
Graphs plotting axle movement against load for a Hispano axle in two different positions.
| Identifier | WestWitteringFiles\K\November1923\ Scan85 | |
| Date | 29th November 1923 guessed | |
| AXLE MOVEMENT Hispano POSITION A MOVEMENT Ins .300 .200 .100 2 4 6 8 10 12 14 Cwts LOAD Diagram labels: A, 3 POSITION B .300 .200 .100 Ins 2 4 6 8 10 12 14 Cwts LOAD Diagram labels: B, 3 LOAD | ||