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 hardening of the toothed coupling for the Peregrine transmission.
| Identifier | ExFiles\Box 2\1\ B002_136 137-page22 | |
| Date | 12th January 1933 | |
| To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. Hs.{Lord Ernest Hives - Chair} KHC. 8139. (handwritten) E.2/HP.12.1.33. Peregrine Transmission. It is essential we think for the toothed coupling on the tail end of the gearbox to be hardened, both the driving and driven members. This was the intention with regard to the original scheme. E.{Mr Elliott - Chief Engineer} | ||