Luders Steam Boiler, Patent Model
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Luders, of Philadelphia, Pennsylvania, August 31, 1869, no. 94226."}, {"label": "Description", "content": "The model represents a boiler having inclined water tubes projecting through forward and back brick walls, which form the furnace and boiler setting. The ends of the tubes projecting from the setting front and back are joined in sets of three by short horizontal cross tubes to large, vertical, upright pillar tubes on either side of the top of the setting. A third longitudinal drum is placed between the other two drums, and all three are joined by one cross drum above them. The short horizontal tubes at the back are cast in longitudinal sections and connected by ball-and-socket joints designed to permit the free expansion and contraction of the tubes."}, {"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": "Luders, Herman W."}], "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: Pennsylvania"}, {"label": "associated place", "content": "United States: Pennsylvania, Philadelphia"}], "physicalDescription": [{"label": "Measurements", "content": "overall: 11 1/4 in x 11 1/8 in x 3 1/4 in; 28.575 cm x 28.2575 cm x 8.255 cm"}, {"label": "Measurements", "content": "overall-from catalog card: 11 in x 10 in x 3 in; 27.94 cm x 25.4 cm x 7.62 cm"}], "dataSource": [{"label": "Data Source", "content": "National Museum of American History"}], "objectType": [{"label": "Object Name", "content": "boiler, steam, model"}, {"label": "Object Name", "content": "patent model, generator, steam"}, {"label": "Object Type", "content": "Patent Model"}]}}, "url": "edanmdm:nmah_847587", "hash": "c66202e7fa7f1b07bf00379d5af4ef3da7dcbe56", "docSignature": "cc77656a2328644c277752e84947b5b7", "timestamp": 1663782597, "lastTimeUpdated": 1655973461, "title": "Luders Steam Boiler, Patent Model"}