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 Zenith Carburetter Co. regarding patented filtering elements, page 2.
| Identifier | ExFiles\Box 44\1\ Scan229 | |
| Date | 4th September 1928 | |
| 2. THE ZENITH CARBURETTER CO., LIMITED. Sheet No................. Messrs. Rolls-Royce Ltd. 4th September 1928. patented type of filtering elements, or could design a filter to suit your engine, should you prefer this. We should be glad to hear from you on this matter, and remain, Yours faithfully, THE ZENITH CARBURETTER CO. LTD. [Signature] MANAGING DIRECTOR. JC/IH Encl. | ||