Sickels Tripping Cut-Off Valve, Patent Model
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Sickels, of New York, New York, February 24, 1852, no. 8760."}, {"label": "Description", "content": "This model represents a valve chest and drop cut-off valve of the Sickels type in which an adjustable cam operates the catch during the opening movement of the valve so that the valve may be released as near the beginning of the closing movement as is desired. In the earlier cut-offs the catch was operated by the closing movement alone, and the valve could not be tripped until sufficient closing movement had taken place to operate the whole extent of the catch."}, {"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": "Sickels, Frederick E."}], "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: Missouri"}, {"label": "associated place", "content": "United States: New York, New York City"}], "physicalDescription": [{"label": "Physical Description", "content": "wood (overall material)"}, {"label": "Physical Description", "content": "iron (overall material)"}, {"label": "Measurements", "content": "overall: 20 7/8 in x 12 1/4 in x 6 1/8 in; 53.0225 cm x 31.115 cm x 15.5575 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "valve, cut-off, model"}, {"label": "Object Name", "content": "patent model, valve, cut off"}, {"label": "Object Type", "content": "Patent Model"}]}}, "url": "edanmdm:nmah_847471", "hash": "027b06907901f582ec6a2e31e24854b5edb40868", "docSignature": "d1579bed2afea8e8ffededb3202c44dc", "timestamp": 1663782597, "lastTimeUpdated": 1655973461, "title": "Sickels Tripping Cut-Off Valve, Patent Model"}