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).
Hand-drawn engineering schematic of differential pinions and a thrust washer.
| Identifier | ExFiles\Box 126\2\ scan0163 | |
| Date | 18th November 1938 guessed | |
| DIFFERENTIAL PINIONS SS{S. Smith}243 6 1/16" 2" DIA 1/8" CHFR AT 45° BOTH ENDS FLATS 1/4" WIDE TOP & BOTTOM 5/16" 1 7/16" DIA 9/16" 1.225 DIA 55° 40' 11 TEETH 2 3/16" DIFF. PINION .015" CHFR AT 45° 13/16 DIA 1 1/32" .600 5/32" 1 9/16" DIA 4 SLOTS THRUST WASHER 1 9/16" DIA 1 3/16" DIA 9/32" DIA 5/8" DIA | ||