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).
Letter from The Birmingham Aluminium Casting Co. Ltd. comparing machining allowances for Aluminium and Zinc alloy castings.
| Identifier | ExFiles\Box 152\2\ scan0045 | |
| Date | 7th October 1937 guessed | |
| that any form of Aluminium Alloy will have considerably larger machining allowances, than those which you are at present experiencing in the Zinc Alloy castings. We trust that the above information will enable you to give the matter final consideration and pass us your order for castings in (provisionally) P2, so that we can proceed with the Die. Yours faithfully, FOR THE BIRMINGHAM ALUMINIUM CASTING (1903) CO. LTD. A.{Mr Adams} H.{Arthur M. Hanbury - Head Complaints} Sturdee WORKS DIRECTOR. | ||