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).
Quotation from Birmingham Aluminium Casting Co. for Rocker Cover E.61130, comparing RR Metal and Z Alloy prices.
| Identifier | ExFiles\Box 142\4\ scan0067 | |
| Date | 23th December 1936 | |
| P L202. Rm{William Robotham - Chief Engineer}/Smth. C to RWG [text crossed out] ROY{Sir Henry Royce}/MS12/P.23.12.36. Rocker Cover E.61130. With reference to the Birmingham Aluminium Casting Co's quotation for the above, in RR Metal the price quoted is 13/1d. In Z Alloy 8/-, plus part cost of Dies £90.0.0.. RR cost is 12/9d each. We await your further instructions. Dies 11d and for 2000 Roy.{Sir Henry Royce} | ||