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).
Technical drawing of an exhaust valve with detailed dimensions.
| Identifier | ExFiles\Box 88\4\ scan0080 | |
| Date | 3rd July 1934 | |
| [ "HS{Lord Ernest Hives - Chair} 1751", "PLUG .200x.156 DIA", "DRIVEN & WELDED", "IN POSITION", "REAM .156 DIA", ".141 DIA", ".641", "3.563", "4.462", "+/-15", "EXHAUST VALVE", "OTHERWISE TO EB 1746", ".050 R", ".531 R", ".406 R", "1.266 R", ".516 R", "140°", "1.078 DIA", "1.425 DIA", ".125", "+15 / -5", ".063", "+/-5", "ROLLS-ROYCE, LTD", "PRINT ROOM", "JUL 3 1934", "DERBY.", "745 stl", "F.H. Smith", "26 .VI '34" ], | ||