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).
Supply of blueprints for a replacement cylinder head for chassis 34-GN.
| Identifier | ExFiles\Box 47\3\ Scan029 | |
| Date | 30th March 1931 | |
| To FHG c. Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer} X411 BY/CS2/EH.30.3.31. Re 40/50 HP. Chassis 34-GN (Mr.Fairey) Please receive herewith 2 blueprints of E.82168 Cylinder Head (4.97 - 1) which replaces E.78854, as requested by Hs{Lord Ernest Hives - Chair}/RM{William Robotham - Chief Engineer} for above chassis, to increase the compression ratio from (4.6 - 1) to (4.97 - 1). This is the only replacement or modification required in this connection. BY/CS. [STAMP: RECEIVED 30 ... 1931] | ||