Steering specifications detailing the turning circles for the 1550 chassis.
| Identifier | ExFiles\Box 20\5\ Scan002 | |
| Date | 16th March 1911 | |
| copy of card. X.426. 16.3.11. STEERING. Turning circles 1550 chassis. Off side 46' 6" Near side 44' 6" Centre of wheel track taken as outside radius. EH 16.3.11 1900 tyre. O.S. 46' 2" N.S. 44' EP. {G. Eric Platford - Chief Quality Engineer} | ||
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).