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 vacuum pump installation with a straight lever.
| Identifier | ExFiles\Box 40\3\ Scan090 | |
| Date | 17th July 1928 | |
| [ "IN-259-B", "3/2-R", "30°", "2 HOLES .328 DIA.", "2.625", "1.238", ".656", ".010 GASKET", "2.375", "FACE OF MOUNTING PAD", "¢ OF CAM SHAFT", "1.625", ".906", ".187 +.003 -.003 ECCENTRICITY", "FINISH", "HEAT TREATMENT", "MATERIAL", "WT. PER 1000", "TITLE", "VACUUM PUMP, INSTALLATION STRAIGHT LEVER.", "DETAILER", "DESIGNER", "APPROVED", "DATE 7-17-28", "STEWART-WARNER SPEEDOMETER CORPORATION", "ANY PATENTABLE INVENTION IN THE CONSTRUCTION WHICH IS SHOWN ON THIS SHEET OF DRAWINGS, AND THE PATENTS WHICH MAY BE OBTAINED FOR SAME, BELONG WHOLLY TO STEWART-WARNER SPEEDOMETER CORPORATION", "Form 3589-1" ], | ||