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).
Request to modify a Bentley Cylinder Head to accept larger exhaust valves.
| Identifier | ExFiles\Box 86\1\ scan0124 | |
| Date | 19th February 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} +19 Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}4/KW.19.2.35. Bentley Cylinder Head to LeC.3662. We should like a Cylinder Head to LeC.3662 modified to take 1.300 dia. exhaust valves. The valves at present fitted are 1.200 dia. We can hand the head over to you immediately you require it. Hs{Lord Ernest Hives - Chair}/R.Matthews. | ||