Dow Direct-Acting Steam Pump, Patent Model
National Museum of American History

Dow Direct-Acting Steam Pump, Patent Model

Dow, George E. · 1879

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

This model was filed to the U.S. Patent Office with the application for the patent issued to G. E. Dow, of San Francisco, California, November 4, 1879, no. 221220.

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