Summary of fuel, oil, tyres, and performance data from a mileage test.
| Identifier | ExFiles\Box 82\1\ scan0322 | |
| Date | 10th December 1933 guessed | |
| - 12 - Esso Petrol used throughout the mileage. Special Aero MOBILOIL D used. Average speed 54.58 M.P.H. INDIA(Production 20 HP. with 4-speed box and Front Wheel Brakes) SUPER NONSKID TYRES 5.50 X 18 Average mileage Rear 6.400 Front N.S. 10.500 Front O.S. 9.500 Tyre pressures Rear 35 lbs Front 30 lbs [Signature: GWHancock] G.W.H. PERFECT | ||
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).