Baker and Baldwin Rotary Steam Engine, Patent Model

Description
This model was submitted to the U.S. Patent Office with the application for the patent issued to William H. Baker and Samuel H. Baldwin, of Cohoes, New York, August 21, 1839, no. 1295.
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.
Reference:
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.
Location
Currently not on view
Object Name
steam engine, rotary, model
patent model, engine, steam
date made
1839
patent date
1839-08-21
inventor
Baldwin, Samuel H.
Baker, William H.
Physical Description
iron (overall material)
brass (overall material)
Measurements
overall-from catalog card: 6 in x 8 in x 8 in; 15.24 cm x 20.32 cm x 20.32 cm
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
place made
United States: New York
associated place
United States: New York, Cohoes
ID Number
ER*308647
accession number
89797
catalog number
308647
patent number
1,295
See more items in
Work and Industry: Mechanical and Civil Engineering
Work
Industry & Manufacturing
Bulletin 173
Engineering, Building, and Architecture
Data Source
National Museum of American History, Kenneth E. Behring Center
Related Publication
Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173

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