Baker and Baldwin Rotary Steam Engine, Patent Model
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Baker and Samuel H. Baldwin, of Cohoes, New York, August 21, 1839, no. 1295."}, {"label": "Description", "content": "This is an early example of a steam engine in which two cams turn together in a closed casing so that steam admitted to the casing will force apart abutments on the cams and cause the cams and the shafts on which they are mounted to turn. This engine may also be used as a pump."}, {"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": "Baldwin, Samuel H."}, {"label": "inventor", "content": "Baker, William H."}], "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: New York"}, {"label": "associated place", "content": "United States: New York, Cohoes"}], "physicalDescription": [{"label": "Physical Description", "content": "iron (overall material)"}, {"label": "Physical Description", "content": "brass (overall material)"}, {"label": "Measurements", "content": "overall-from catalog card: 6 in x 8 in x 8 in; 15.24 cm x 20.32 cm x 20.32 cm"}, {"label": "Measurements", "content": "overall: 5 1/2 in x 7 3/4 in x 7 3/4 in; 13.97 cm x 19.685 cm x 19.685 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "steam engine, rotary, model"}, {"label": "Object Name", "content": "patent model, engine, steam"}, {"label": "Object Type", "content": "Patent Model"}]}}, "url": "edanmdm:nmah_1063721", "hash": "77332fbb14aabac895db1f817d42748f01ac93d7", "docSignature": "9723a02c372e026af275041ff1a6d419", "timestamp": 1663781938, "lastTimeUpdated": 1655973428, "title": "Baker and Baldwin Rotary Steam Engine, Patent Model"}