Steam Cooker Patent Model

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Description
Full-size patent model (U.S. Patent No. 77,702) of a two-pot, vegetable steamer or cooker, made by Heinrich A. Zopff of Milwaukee, WI, and patented on May 5, 1868. The upper pot is double-walled with a perforated liner and covered conical bottom for catching the steam, while the lower pot has a copper pit bottom. Both are wire-rimmed with two, horizontal, arched strap handles and vertical folded seams. Concave cover has an arched strap handle, folded edge, and soft-soldered lapped-seam flange. Brass oval metal tag on upper pot is engraved in script "H.A. Zopff / Milwaukee / Wisconsin". Two darkened paper tags tied to one handle with red or purple (faded) wove ribbon and white string are printed and handwritten with the patent information.
Location
Currently not on view
date made
ca 1868
patent date
1868-05-05
place made
United States: Wisconsin, Milwaukee
place patented
United States: Wisconsin, Milwaukee
Physical Description
tinned sheet iron (overall material)
wire, iron (rims material)
copper (pit bottom material)
brass (maker's tag material)
Measurements
overall: 11 5/8 in x 10 1/8 in x 8 in; 29.5275 cm x 25.7175 cm x 20.32 cm
ID Number
1989.0066.08
catalog number
1989.0066.08
accession number
1989.0066
patent number
77702
See more items in
Home and Community Life: Domestic Life
Domestic Furnishings
Data Source
National Museum of American History, Kenneth E. Behring Center

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