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).
Car performance metrics including consumption, weight, and tyre specifications.
| Identifier | ExFiles\Box 5a\3\ 03-page322 | |
| Date | 4th July 1933 guessed | |
| - 18 - Special Aero Mobiloil D used throughout the mileage. Average Petrol Consumption 13.88 M.P.G. Average Oil Consumption 667.00 M.P.G. Weight of car. 1 T. 17 C. 2 Q. Tyre Mileage; A set of Michelin Tyres have been run Front 35 lbs F.O.S. N°569 4724 F.N.S. N°580 4724 6.00 X 18 Rear 30 lbs R.O.S. N°407 4724 MICHELIN R.N.S. N°573 4724 "Grand Tourisme" - - - - - - - - - - - - - | ||