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 25-29 HP Engine, detailing drawings for an air cleaner, silencer, rocker cover modifications and ignition parts.
| Identifier | ExFiles\Box 101\4\ scan0132 | |
| Date | 16th November 1935 | |
| Handwritten: x5000 Rm{William Robotham - Chief Engineer} (Signature) Wyman 21GII Instructed (Signature) Typed: BT.{Capt. J. S. Burt - Engineer} C. RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} E/JNR.{Charles L. Jenner}2/HP.16.11.35. re 25-29 HP. Engine. Please receive herewith:- LeC.4781 showing the air cleaner and silencer for the Stromberg carburetter. It will be noticed that we have put stiffening ribs inside the rocker cover to take the increased loading. Also herewith LeC.4807 ignition wires and tubes. LeC.4781 herewith. LeC.4807 " E/JNR.{Charles L. Jenner} | ||