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).
Testing valve springs and quoting Mr Royce's suggestion to order samples from various makers.
| Identifier | ExFiles\Box 80\3\ scan0242 | |
| Date | 6th March 1913 | |
| Mr Nadin 6-3-13 AW/SM21/L6313 Test valve springs obtained from firms who are both steel and spring makers, such as Poldi X. 74 Mr Royce remarks in his memo R8/B26213 re the above experiment as follows :- "Surely it is not a long job to order "a few dozen springs from half a dozen "makers to the same model of the best "steel." p. A.{Mr Adams} Wormald. Watermark: MADE BY CROXLEY BOND 1804 | ||