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).
Blueprint detailing modifications to a cylinder head.
| Identifier | ExFiles\Box 3\4\ 04-page159 | |
| Date | 18th January 1933 | |
| V1452 CEILING TO BE LOWERED INLET. EXHAUST. TO BE TREPANNED ON THE INLET SIDE NOTE .100 IS TO BE MACHINED OFF CYLINDER HEAD FACE. SECTION A.A. 1.10R 1.00R 1.700 0.1 IN MODIFICATION TO CYL. HEAD (E.56604) BENSPORT. J.I. ROLLS-ROYCE LTD PRINT ROOM JAN 18 1933 DERBY. CWS 18-12-32 | ||