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 an exhaust manifold valve shaft with detailed dimensions and material specifications.
| Identifier | ExFiles\Box 133\4\ scan0012 | |
| Date | 18th January 1935 | |
| SHAFT - EXHAUST MANIFOLD VALVE., .030, .040, 23/32, 5/64 DRILL, 7/64, 90°, GRIND, .370, .371, 4 7/8, 9/64, .125, .130, .250, .252, 1/32 x 45° CHAMFER., RELATION OF SLOT AND FLATS MUST BE HELD., BRINELL HARDNESS N° 170 TO 195, ON BAR STOCK., SPEC. N° BUICK 82035 - COLD DRAWN, OR CENTRELESS GRIND., ROLLS-ROYCE, LTD, PRINT ROOM, 18 JAN 1935, DERBY. | ||