Scheidler and McNamar Throttle Valve, Patent Model

Description
This model was submitted to the U.S. Patent Office with the application for the patent issued to Reinhard Scheidler and John H. McNamar, of Newark, Ohio, June 8, 1875, no. 164219.
The model represents a piston shaped regulating valve operated by a lever, sector, and rack on the valve stem. It is designed for use as an auxiliary valve in connection with a throttle valve of ordinary form. The inventors describe the valve as being particularly well fitted for the control of sawmill engines.
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
date made
1875
patent date
1875-06-08
inventor
Scheidler, Reinhard
McNamar, John H.
place made
United States: Ohio
associated place
United States: Ohio, Newark
Physical Description
brass (overall material)
Measurements
overall: 7 5/8 in x 5 1/8 in x 5 1/2 in; 19.3675 cm x 13.0175 cm x 13.97 cm
ID Number
ER.308687
accession number
89797
catalog number
308687
patent number
164,219
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

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