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 adaptation of exhaust ports for the Bentley 60 and 80 Cast Iron Engine.
| Identifier | ExFiles\Box 123\5\ scan0189 | |
| Date | 29th November 1938 | |
| To Mr. Walker (Pattern Shop) 1044 c. HFS c. Rm.{William Robotham - Chief Engineer} c.Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} BY/CS7/EH.29.11.38. Re Bentley 60 and 80 Cast Iron Engine. Further to our conversation of even date re the exhaust ports for the above engine. Will you kindly adapt the shape of ports as shown on EB.4387 to both EB.4139 and EB.3950. Modifications to the above detail drawings will follow as soon as possible. BY/CS. | ||