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).
Information regarding a potential cure for a squeaking exhaust butterfly valve on a 40/50 HP model.
| Identifier | ExFiles\Box 66\2\ scan0187 | |
| Date | 22th April 1926 | |
| X8230 BY: Hs. {Lord Ernest Hives - Chair} EP {G. Eric Platford - Chief Quality Engineer} 5/H22.4.26. re. 40/50 HP. Exhaust Butterfly Valve Squeaking Further to our EP {G. Eric Platford - Chief Quality Engineer} 4/H15.4.26. we have now received information from 'N' reading as follows:- "The makers of Graphol are Messrs. G.D.Peters & Co. Ltd., Caxton House, Westminster, S.W. 1. We do not say that this is a permanent cure for squeaks from Exhaust butterfly valve, but so far, we have found this material to be the most effective way of dealing with the same." EP. {G. Eric Platford - Chief Quality Engineer} | ||