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).
Drilling error on a Goshawk contact breaker lever.
| Identifier | ExFiles\Box 61b\1\ scan0003 | |
| Date | 27th June 1926 | |
| C O P Y. To RHC.{R. H. Coverley - Production Engineer} from WJ. 27.6.26. The .020" error previously mentioned on the Goshawk contact breaker is caused by the error in drilling the lever as shewn below :- Centres + .020" | ||