Blueprint for a bush for PIII rockers.
| Identifier | ExFiles\Box 96\2\ scan0190 | |
| Date | 14th December 1936 guessed | |
| RM {William Robotham - Chief Engineer} 273 1 HOLE .025 DIA 1.047 -5 .524 +-5 .550 +-5 .187 8 HOLES DRILL .062 DIA 1.123 DIA +-1/2 .9697 DIA +-1/2 CHAMFER .025 AT 45° BOTH ENDS .125 +-1/4 .125 +-1/4 .125 +-1/4 UNDERCUT 1.062 DIA -5 END FACES MUST BE SQUARE WITH FINE LIMIT DIAMETERS. FINE LIMIT DIAMETERS MUST BE CONCENTRIC MATERIAL BZ/PC BUSH. PIII ROCKERS. RM {William Robotham - Chief Engineer} 273 KSchols | ||
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).