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).
Instructions for a modification to a cylinder head for a Bentley 60 Chassis.
| Identifier | ExFiles\Box 124\1\ scan0145 | |
| Date | 12th June 1939 | |
| 10HH HBS. c. Rm.{William Robotham - Chief Engineer} cy Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} By/Ald.{F. Allwood - Experimental Design}1/AW.12.6.39. BENTLEY 60 CHASSIS. Cylinder - Section 5050. Please receive herewith 2 blue prints of the following:- EXS.1769. Modification to Cylinder Head. - 1 off. Kindly produce 1 set from the existing Cylinder Head, EB.4706, which will be provided by Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} The above modification provides a similar combustion chamber space around the exhaust valve to EB.3844. ald{F. Allwood - Experimental Design} By/Ald.{F. Allwood - Experimental Design} | ||