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 restore original combustion space capacity.
| Identifier | ExFiles\Box 86\1\ scan0138 | |
| Date | 5th March 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} x219 Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}4/KW.5.3.35. Bentley Cylinder Head to LeC.3662. Will you please modify the trepanning round the inlet valves of this head to EX.16041. The head will require machining in the face to bring back the capacity of each combustion space to the original 91.0 c.c's. Hs{Lord Ernest Hives - Chair}/R.Matthews. | ||