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).
Photograph showing the front suspension with RETRAC oil springs mounted inside the frame.
| Identifier | ExFiles\Box 46\1\ Scan122 | |
| Date | 17th June 1919 guessed | |
| Rolls-Royce Car, Front Suspension — RETRAC OIL SPRINGS mounted inside of frame. 127-TU X4151 THE RETRAC CO. LTD. LONDON | ||