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).
Blueprint for a gauge for a Phantom III rear hub retaining nut.
| Identifier | ExFiles\Box 92\4\ scan0281 | |
| Date | 31th December 1938 | |
| Ex.I.117 1.500" ±50 .500" ±10 .500" ±10 1.000" ±10 TO BE KNURLED 1.500" DIA. ±0 CHAMFER .075" AT 45° 3.500" GAUGE FOR PH. III REAR HUB RETAINING NUT 2.165" DIA. +4/-0 2.598" DIA. +0/-4 CHAMFER .030" AT 45° MATERIAL - S/2.N. CASE HARDEN WHERE MARKED H.H. ...CE, LTD. TOOL ROOM 31 DEC 1938 DERBY Ex.I.117 | ||