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 heat treatment of centrifugally cast bearings and the production of dies for A.C.9. Alloy.
| Identifier | ExFiles\Box 115\3\ scan0202 | |
| Date | 9th March 1938 | |
| - 2 - A.C.9. Alloy (Continued). of finished size, the remainder being centrifugally cast. These bearings are to be heat-treated in the unmachined condition only. It was agreed that the centrifuging dies should be produced in the Experimental Department to obviate any further delay. HPS.{Horace Percy Smith - Experimental Factory Mgr} | ||