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).
Schematic for the vent on a P.2. S.M. 2nd Gearbox.
| Identifier | ExFiles\Box 15\5\ Scan403 | |
| Date | 27th August 1934 | |
| V7310 To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy} HDY.{William Hardy}3/HP.27.8.34. c. Wox. E.{Mr Elliott - Chief Engineer} Hs.{Lord Ernest Hives - Chair} Des. 1810G. P.2. S.M. 2nd Gearbox. We send herewith N. Sch.4160 which shows the vent for this box. HDY.{William Hardy} | ||