Referencing a drawing for large bore pistons which have been standardised with a new part and casting number.
| Identifier | ExFiles\Box 87\2\ scan0118 | |
| Date | 17th January 1936 | |
| To BY {R.W. Bailey - Chief Engineer} /CS. xd 36, Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 16./KW.17.1.36. With reference to By {R.W. Bailey - Chief Engineer} /CS.2/EH.15.1.36, the drawing for the large bore pistons which we have standardised was given the number P.301 by the Light Production Co., and the casting No. C.227. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).