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).
Engineering drawing of a splined cylindrical component with dimensional specifications.
| Identifier | ExFiles\Box 170\2\ img098 | |
| Date | 1st October 1931 guessed | |
| 1.0145 DISS, FINISH BROACH., .254, .250, 1/8 R, 1/8, BROACH - 8 SPLINES, EQUALLY SPACED, 1.040, 1.038, 1.7073 P.D., LOWER END, 20°, COPPER PLATE TO THESE DIMEN., 1.761, 1.749, 1.381, 1.369, 1/32, 4 1/4 | ||