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 Brown Bros. Ltd. regarding 'Duco' Valve Stem Lubricators, requesting a sample and information on graphite impregnation.
| Identifier | ExFiles\Box 76\4\ scan0238 | |
| Date | 19th July 1921 | |
| X3315 Hs{Lord Ernest Hives - Chair}5/LG. 19th. July 1921. Messrs. Brown Bros. Ltd., Great Eastern Street, London E.C.2. Dear Sirs, Attached herewith is a measurement form of the "Duco" Valve Stem Lubricators. We have given particulars of the valve etc. and should be pleased if you could send us a sample lubricator suitable for these dimensions. We should also like to know whether these lubricators have been tried impregnated with graphite so as to provide a dry lubrication. Yours faithfully, | ||