Corliss Water-Tube Boiler, Patent Model

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This model was submitted to the U.S. Patent Office with the application for the patent issued to George H. Corliss, of Providence, Rhode Island, May 27, 1879, no. 215798.
The model represents a bank of curved water tubes joined in vertical rows by the separate cases or tube ends, which are the subject of the patent. Each end of each tube is threaded into the side of the cylindrical casting, which is provided with machined surfaces that allow the separate castings to go together tightly to form a continuous tube sheet or header for each vertical row of tubes. The castings forming each header are held together by a single long bolt, which threads into a casting that forms a common connector along the lower ends of the vertical headers.
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.
Currently not on view
date made
patent date
Corliss, George H.
place made
United States: Rhode Island
associated place
United States: Rhode Island, Providence
overall: 6 1/2 in x 11 1/8 in x 6 in; 16.51 cm x 28.2575 cm x 15.24 cm
ID Number
catalog number
accession number
patent number
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Work and Industry: Mechanical and Civil Engineering
Industry & Manufacturing
Bulletin 173
Engineering, Building, and Architecture
Data Source
National Museum of American History