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 Shaft - Exhaust Manifold Valve.
| Identifier | ExFiles\Box 124\3\ scan0287 | |
| Date | 18th January 1935 | |
| SHAFT - EXHAUST MANIFOLD VALVE. .030 .040 23/32 5/64 DRILL .370 .371 GRIND. 7/64 90° 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. | ||