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 The Avon India Rubber Co. Ltd. confirming the ply construction of India Super tyres versus another tyre.
| Identifier | ExFiles\Box 156\3\ scan0081 | |
| Date | 2nd January 1939 | |
| Experimental Dept. 133/ Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}8/MH.{M. Huckerby} 2nd. January 1939. The Avon India Rubber Co. Ltd., Melksham, WILTS. For the attention of Dr. Mackay. Dear Sirs, We herewith confirm that the India Super tyres mentioned in our letter of 22/12/38 were of 6 ply construction whereas your tyre has 4 plies. Yours faithfully, for ROLLS-ROYCE LTD. | ||