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).
Drawing for an Armstrong Whitworth Rear Axle Bevel Wheel blank made from E.N.C.H. Steel.
| Identifier | ExFiles\Box 49\1\ Scan050 | |
| Date | 26th April 1917 | |
| E.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Blanks for X.3414. Armstrong Whitworth Rear Axle Bevel Wheel in E.N.C.H. Steel 13.325 DIA 7.500 DIA HOLE 1.500 BEVEL WHEEL (BLANK) SCALE = 1/2 G1909 | ||