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).
The standardization of gear wheels made from steel castings.
| Identifier | ExFiles\Box 181\M7\ img004 | |
| Date | 1st April 1924 guessed | |
| HV Balty (2) I agree that our standard [crossed out text] gear wheels shall be steel castings we ought to have a standard design & a number of good advantages by adding say. 10/20% on all proportions such as 10", 12", 15 2/3", 20" dia by a manual proportionate width. When making up a design one of these wheels must be used, any departure [crossed out text] requires sanction from higher control. Use up stock of steel arms & cast iron hubs, | ||