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 Zenith Carb. Co. Ltd. regarding the return of a filter with a small plate element and a request to exchange it for a later type with a large area for testing.
| Identifier | ExFiles\Box 44\1\ Scan148 | |
| Date | 24th May 1927 | |
| X3700 Expl: Dept: Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}4/LG. 24th. May 1927. The Zenith Carb. Co.Ltd., 40-42 Newman Street, London W.1. Dear Sirs, We are returning to you under separate cover one of your filters with the small plate element. We are anxious to confine our tests to the filter with the large area and should therefore be obliged if you could change this for one of the later type in order that we may confine our tests to the best filter we know of. Yours faithfully, | ||