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).
Instruction for parts and blueprints for a Single Cylinder Bentley High Power Unit cylinder head.
| Identifier | ExFiles\Box 134\1\ scan0135 | |
| Date | 21th February 1939 | |
| 1129 c. Rm.{William Robotham - Chief Engineer} [REDACTED] By/Ald.{F. Allwood - Experimental Design}1/AW.21.2.39. SINGLE CYLINDER BENTLEY HIGH POWER UNIT. CYLINDER HEAD - SECTION 5059. Please receive herewith 2 Blue Prints of the following new Drawings:- EXS. 1470 - Valve Seat - Inlet. 2 off. EXS. 1471 - Assembly. The following will also be required:- EB. 3440. - Inlet Valve. 6 off. The remainder of pieces to be as previously used with the above Valve. This instruction is in accordance with memo Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}15/JH.7.2.39. Kindly instruct parts as above. Ald{F. Allwood - Experimental Design} By/Ald.{F. Allwood - Experimental Design} | ||