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).
Gearbox features for the 28-EX car before its dispatch to France.
| Identifier | ExFiles\Box 15\5\ Scan398 | |
| Date | 23th July 1934 | |
| + 7310 To RHC.{R. H. Coverley - Production Engineer} HS{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}6/KW.23.7.34. 28-EX. Gearbox. Before this car goes to France we should like to incorporate all the features mentioned in Hdy.{William Hardy}1/HP.19.7.34. We think however we should retain the 50° cam angle at present fitted to ensure freedom from crashing. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||