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 small machined part with screw threads and a spherical end.
Identifier | ExFiles\Box 179b\3\ img249 | |
Date | 16th February 1933 guessed | |
DES 1798 1.000 -.10 .475 -.10 .075 +-.10 .250 +.10 .075 +.10 SCREW .437 DIA 22 TPI RT HD{Mr Hayward/Mr Huddy} .532 DIA .191 .070R .010 RAD DRILL .234 DIA .480 DIA SPHERE .875 +.10 1 OFF MATERIAL BZ/S SCALE 2/1 .900 +.10 .570 -.5 1.200 .625" DIA CUTTER .075 WIDE SCREW | ||