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).
Comparing the price of two Top Half Crankcases from Birmingham Aluminium Castings Co.
| Identifier | ExFiles\Box 142\4\ scan0072 | |
| Date | 30th December 1936 | |
| 1202 Alum castings. file. SmTH ROY{Sir Henry Royce}/MS2/P.30.12.36. Rm.{William Robotham - Chief Engineer} With reference to the two Top Half Crankcases EB.2626, referred to in your memo Rm{William Robotham - Chief Engineer}/Smth8/JH.9.12.36. and which we have ordered from Birmingham Aluminium Castings Co. in their alloy, the price quoted is £7.11.0d each, as compared with £9. 0. 9d. each made in RR.50 Alloy. Roy.{Sir Henry Royce} W | ||