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 Zenith Carburetter Co. Ltd. regarding the return of four defective bye-pass jets.
| Identifier | ExFiles\Box 20\9\ Scan047 | |
| Date | 13th December 1935 | |
| X1033 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}18/KW. 13th December,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. Dear Sirs, We are returning 4 bye-pass jets which we received from you, for use on the Duplex Downdraught Stromberg Carburetter. As received, they do not correspond in jet size to the stamped number and vary as follows - Stamped No. Actual Size .070 .089 .074 .092 Also, the hexagons for tightening these jets down have uneven sides and the protruding portion of the valves are uneven in length. Will you please replace these defective jets by the following - 1 off - .0595 dia. 1 " - .0635 " 1 " - .0670 " 1 " - .070 Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||