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 from the Experimental Department requesting patent information for an Infinitely Variable Gear.
| Identifier | ExFiles\Box 136\4\ scan0046 | |
| Date | 13th April 1931 | |
| 82061 Expl. Dept. Hs.{Lord Ernest Hives - Chair}8/MJ. April 13th.1931. B. Vallance, Esq., 52, Southbourne Grove, Westcliffe-on-Sea. Dear Sir, We are in receipt of your letter of April 11th. with reference to the Infinitely Variable Gear. We wonder whether you could let us have a few particulars. A copy of the patent specification or the number would be sufficient. Yours faithfully, For Rolls-Royce Ltd. | ||