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 feasibility of machining grooves in pressed steel pulleys and expressing skepticism about the process.
| Identifier | ExFiles\Box 135\4\ scan0058 | |
| Date | 29th March 1940 guessed | |
| - 2 - Continued:- It would, of course be possible to machine the grooves in pressed steel pulleys but only if they are held to relatively close limits in the early stages of their manufacture. We must, however, confess to a great deal of septicism regarding any form of pressed steel pulley. BY/Ed{J. L. Edwards} | ||