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).
Instructions regarding a piece of Firth's Nitro Alloy Steel for producing 20-HP water pump spindles.
| Identifier | ExFiles\Box 154a\1\ scan0123 | |
| Date | 30th November 1928 | |
| X4469 Hs.{Lord Ernest Hives - Chair} To RHC.{R. H. Coverley - Production Engineer} BY/EM6/K.{Mr Kilner} 30. 11. 28. FIRTH'S NITRO ALLOY STEEL. We are handing to RHC.{R. H. Coverley - Production Engineer} one piece of the above material 16" long which has been supplied to us by Firth Derihon Stampings Ltd., for the purpose of producing 20-HP water pump spindles E.54690. The same instructions with regard to machining and tinning where the piece is not required to be hard should be observed in the machining of these spindles as have previously been given. BY/EM. | ||