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 Burman & Sons, Ltd. regarding comparative gear efficiency.
| Identifier | ExFiles\Box 28\3\ Scan067 | |
| Date | 14th December 1934 | |
| BURMAN & SONS, LTD. 14-12-34. CONTINUATION No. 1. Messrs.Rolls-Royce, Ltd., D E R B Y. .. If there are any further particulars you would like, we should be only too pleased to give them to you, and if, as suggested in the last paragraph of your letter, it is possible for you to let us have some figures on your own Gear, we should be very much interested. If you are still using the same type of Gear that was patented by you some years ago, this should be considerably more efficient than ours, although it has limitations, we believe in, other directions. Yours faithfully, BURMAN & SONS LTD. [Signature] | ||