Scheidler and McNamar Throttle Valve, Patent Model
National Museum of American History

Scheidler and McNamar Throttle Valve, Patent Model

Scheidler, Reinhard · 1875

brass (overall material)
National Museum of American History
CC0 — Public Domain
National Museum of American History

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.

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