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).
Supply, pricing, and alloy specifications for experimental Autothermic pistons.
| Identifier | ExFiles\Box 148\3\ scan0219 | |
| Date | 19th March 1937 | |
| 1256. To Roy.{Sir Henry Royce} Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}4/JH.19.3.37. Further to our memo. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}1/DJ.15.3.37. the Pistons in question have no piece number as yet, are known as Autothermic pistons made to a design submitted to us by the Birmingham Aluminium Casting Co.Ltd., In a recent letter to us the Birmingham Aluminium Casting Co.Ltd., agreed to supply experimental sets of pistons at bulk prices, the price quoted being £41.5.0. per 100 when produced in AP.122 alloy. The first experimental sets are to be made in AP.122 and R.R. 53 alloy, the latter pistons may of course cost slightly more. The price quoted is for pistons supplied complete with necessary rings and Gudgeon Pin. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} | ||