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).
Drawing comparing a currently supplied bush with a future standardized version.
| Identifier | ExFiles\Box 118\2\ scan0126 | |
| Date | 27th November 1934 guessed | |
| HS.{Lord Ernest Hives - Chair} 1626, THIS IS THE BUSH WHICH WILL BE SUPPLIED LATER TO 'N' SCHEME 4226., FB. 1656., THIS IS THE BUSH AT PRESENT SUPPLIED BY WILMOT BREEDON LTD, THIS WASHER TO BE FITTED WITH THIS BUSH ONLY UNTIL SCHEME ABOVE STANDARDISED., G.H. WHYMAN, 1.250", 2.025", .050, .150, 1.500", .875", .500, .708, 1.875", .200 | ||