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).
Listing topics for 20 HP dynamometer and road tests concerning steering and axle components.
| Identifier | ExFiles\Box 44\2\ Scan094 | |
| Date | 17th January 1928 guessed | |
| Handwritten: 8492 8169 323 { Light & heavy pivot arrangement { Lightened front axle { Toggles: Why steerings are more reversible for { Toggles: main for parking. Marles Steerings Servo steerings Axle control Side steering tube springs (Upside down text) 20 H.P Dyno and Road tests. (Mirrored text from reverse/imprint) H.{Arthur M. Hanbury - Head Complaints} M.{Mr Moon / Mr Moore} HOBSON LTD. | ||