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).
Stating the material specification for the Oil Pump Annulus is no longer important as the current practice is sufficient.
| Identifier | WestWitteringFiles\A\July1917\ Scan5 | |
| Date | 11th July 1917 | |
| To Dy.{F R Danby} From R.{Sir Henry Royce} [struck through] c. to EFC. ORIGINAL R3/B6:7:17 B X.2678 Re Oil Pump Annulus in Nickel Steel to give a Brinell Figure of 220. a more [struck through] By8/C22617 This matter, we understand, is of no importance now as the present practice is giving no trouble. I am agreeable to either practice. Therefore instruct further parts according to the wishes of the Works. R.{Sir Henry Royce} D 11 JUL 1917 RECEIVED | ||