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).
Attached extract on the importance of a ductile case and its method of evaluation.
| Identifier | ExFiles\Box 154a\1\ scan0119 | |
| Date | 27th November 1928 | |
| XU469 By.{R.W. Bailey - Chief Engineer} H.{Arthur M. Hanbury - Head Complaints} Wor.{Arthur Wormald - General Works Manager} Re. Hs.{Lord Ernest Hives - Chair} 414/EA27.11.28 M629. Laboratory. Further to our memo. M626 We think the attached extract may be of interest to you. It is to be noted that the importance of a fairly ductile case is emphasised as being essential for good service, and that the Rockwell or Vickers machine is considered to be a satisfactory method of evaluation. Hl. Hl RECEIVED 27 NOV | ||