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).
Order for specific Hoffmann ball races for experimental use.
| Identifier | ExFiles\Box 135\1\ scan0102 | |
| Date | 9th December 1937 | |
| To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Std. c. G/JWH. 1135? Rm{William Robotham - Chief Engineer}/Std.7/AP.9.12.37. Will you please order for experimental use the following ball races:- 3 Hoffmann No.117 Deep groove Light Series Balls. 1 " No.320 " " Medium Series Ball. All these journals to be full of balls and without cages. We would like to obtain these as soon as possible. Rm{William Robotham - Chief Engineer}/Std. | ||