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).
Page 2 of a letter regarding difficulties in adopting a new armature shaft design for bulk production.
| Identifier | ExFiles\Box 37\2\ scan 023 | |
| Date | 26th April 1917 | |
| R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. -2- Contd:- on to the armature of the shaft, accomplished by the provision of an internal taper on the Armature Shaft which would require to be ground. You will observe that the steps taken towards bulk production and the manufacturers difficulties preclude the possibility of adopting this design as standard. It is desired to thank you for the time and trouble expended in this connection. Yours truly, (Sgd) Alan Williams, Captain For Controller Technical Dept. Dictated by Capt. Briggs. | ||