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).
Continued note discussing issues with a batch of valves from the supplier Linotype which have poor threads.
| Identifier | ExFiles\Box 36\1\ scan 132 | |
| Date | 17th September 1917 guessed | |
| Contd. -2- working loose but some of them had to be changed because of being- too soft. Another point as regards valves, we have recently had a large batch of valves fromthe Linotype with very indifferent threads. With the present valve we have tested them and found they give no trouble but with the cap nuts we do not consider they could be used. EH. | ||