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).
The supply of wire for valve springs and a request for a report on their manufacture.
| Identifier | ExFiles\Box 80\3\ scan0147 | |
| Date | 11th April 1913 | |
| X290 AW/SM3/L11413 Re Valve Springs made at Derby. C.916 and E.2614 - X.98 Mr Hives Mr Matthews 11-4-13 Please note that the stores now have a supply of 9 S.W.G. and 10 S.W.G. wire from Messrs Vickers Ltd. to make the above springs. Will you please have some of each made and report on the same as early as possible. Attached is a copy of a letter we have received from Messrs Vickers dated 9/4/13 re the heat treatment of the springs after they are made. p. A.{Mr Adams} Wormald. | ||