Murdock Injector, Patent Model
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Murdock, of Detroit, Michigan, November 11, 1890, no. 440183; assigned to the American Injector Co."}, {"label": "Description", "content": "This is a double injector having two force tubes arranged in parallel order and operated with a single actuating shaft. The overflow valves as well as the steam valves of the two sets of tubes are operated by the same shaft so that the steam valve of the first set opens in advance of the steam valve of the second set and the overflow valve of the first set closes in advance of the second set. The stems of all conical plug valves are extended outside of the injector shell and are provided with slotted ends by which they may be turned with a suitable tool to grind upon the valve seats."}, {"label": "Description", "content": "Reference:"}, {"label": "Description", "content": "This description comes from the 1939 Catalog of the Mechanical Collections of the Division of Engineering United States Museum Bulletin 173 by Frank A. Taylor."}, {"label": "Location", "content": "Currently not on view"}], "name": [{"label": "inventor", "content": "Murdock, Horace B."}], "publisher": [{"label": "Related Publication", "content": "Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173"}], "place": [{"label": "place made", "content": "United States: Michigan, Detroit"}, {"label": "associated place", "content": "United States: Michigan, Detroit"}], "physicalDescription": [{"label": "Measurements", "content": "overall - from catalog card: 9 in x 6 in; 22.86 cm x 15.24 cm"}, {"label": "Measurements", "content": "overall: 8 3/8 in x 9 1/8 in x 2 in; 21.2725 cm x 23.1775 cm x 5.08 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "injector, steam, model"}, {"label": "Object Name", "content": "patent model, injector, steam"}, {"label": "Object Type", "content": "Patent Model"}]}}, "url": "edanmdm:nmah_847486", "hash": "dc6753a36b1febdf8823d79d4463892f5d7000e4", "docSignature": "ff44a9fc22502b30e963b53f7cf9b9c2", "timestamp": 1663782597, "lastTimeUpdated": 1655973461, "title": "Murdock Injector, Patent Model"}