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 of a machined arc-shaped component with various sections and dimensions.
| Identifier | ExFiles\Box 85\1\ scan0108 | |
| Date | 15th June 1936 guessed | |
| [ "BOSS 'F'", "SECTION A.A.", "SECTION B.B.", "SECTION G.G.", "5.475 + .010 / -.000", "2.450 + .010 / -.000", "3.475 + .010 / -.000", "5.475 RAD. -.5", "5.500 RAD", "3.725 R", "3.750 + .010 / -.000", "1.125 R.{Sir Henry Royce}", ".875 R + .005 / -.125", ".750 R", ".350 R", ".250 R", ".150 R", ".125 R", ".050 R", ".550", ".400", ".050 DIA", ".187 + .010", "2.812 + .010 / -.00 DIA", ".500 DIA + .01 / -.01", ".125 + .005", ".050", ".625 + .005", ".450", "1.295 + .000 / -.005", "1.775", "1.000", ".850", ".425 + .005 / -.000", ".350", ".750 DIA.", ".200 + .01 / -.01", ".495 + .000 / -.005", "SPOTFACE .625+.25 DIA.", "12 HOLES SPACED AS SHOWN .1935+.005 DIA.", "REAM BUSH TO .25 DIA. AFTER PRESSING IN POSITION", "THE FACE OF THIS BOSS TO BE IN CORRECT RELATIONSHIP WITH THE FACES OF THE BOSS ON SECTION B.B.", "65°", "57°", "45°", "33°", "30°", "27°", "16°", "8°", "6°", "60°", "CUT FROM GB 2025" ], | ||