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 a modification to a piston.
| Identifier | ExFiles\Box 95\4\ scan0070 | |
| Date | 27th August 1936 | |
| A/B SUPPLIED To 35/EX .250 .025" RAD PISTON MODIFICATION To EXISTING PIECE - (G84257) RM{William Robotham - Chief Engineer} 209 27-8-36 | ||