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 section view for a water cooling component with drilling and tapping instructions.
Identifier | ExFiles\Box 179b\3\ img248 | |
Date | 12th November 1911 | |
SECT, DR..., 1.400 +.010 -0, TAP .375 DIA 20 TPI, .730 -2", 100°, THIS HOLE TO BE DRILLED TO, WATER COOLING TO INLET, I 2 ENG -, E.A.B, 12-11 | ||