Steam Cooker Patent Model
date: label: date made
content: ca 1868
label: patent date
content: 1868-05-05
notes: label: Description
content: 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.
label: Location
content: Currently not on view
place: label: place made
content: United States: Wisconsin, Milwaukee
label: place patented
content: United States: Wisconsin, Milwaukee
setName: label: See more items in
content: Home and Community Life: Domestic Life
label: See more items in
content: Domestic Furnishings
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1989.0066.08
label: catalog number
content: 1989.0066.08
label: accession number
content: 1989.0066
label: patent number
content: 77702
objectType: label: Object Name
content: cooker, steam
physicalDescription: label: Physical Description
content: tinned sheet iron (overall material)
label: Physical Description
content: wire, iron (rims material)
label: Physical Description
content: copper (pit bottom material)
label: Physical Description
content: brass (maker's tag material)
label: Measurements
content: overall: 11 5/8 in x 10 1/8 in x 8 in; 29.5275 cm x 25.7175 cm x 20.32 cm