Machining and broaching operations for Phantom gearboxes on material with a Brinell figure of 360 to 380.
| Identifier | ExFiles\Box 94\2\ scan0124 | |
| Date | 15th December 1936 | |
| H. {Arthur M. Hanbury - Head Complaints} from RHC {R. H. Coverley - Production Engineer} /FM. C. to EH. C. to H-S. C. to R'Wby. C. to Hs. {Lord Ernest Hives - Chair} GTY - 32 HBC/FM.5/HS. {Lord Ernest Hives - Chair} 15.12.36. PHANTOM GEARBOXES. Many thanks for memo E.5/FP. {F. Potts} 14.12.36. We have no doubts whatever that machining and broaching operations can be carried out on material with a Brinell figure of 360 to 380 and therefore do not anticipate any trouble in this direction. (Signature) RHC {R. H. Coverley - Production Engineer} /FM | ||
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).