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).
Letter to Dunlop Rubber Co. Ltd. requesting the revolutions per mile for various track tyres.
| Identifier | ExFiles\Box 157\3\ scan0096 | |
| Date | 21th July 1939 | |
| 1332. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}4/MH.{M. Huckerby} 21st. July, 1939. Messrs. Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. H.E.Price. Dear Sirs, Would you please let us know the revs per mile at 100 miles an hour of 6.50 x 16, 6 x 19 and 6 1/2 x 19 Track Tyres. Yours faithfully, For ROLLS-ROYCE LTD. | ||