Patent Model of an Electrotype Shell and Base

Description (Brief)
This patent model demonstrates an invention for an electrotype shell and base which was granted patent model 313812. The patent describes a method of fastening thin electrotype shells to cast metal bases by bending the edges of the shell into grooves on the base. The invention was said to be particularly appropriate for newspapers, which might otherwise depend on heavy stereotype plates shipped over long distances. The patent was assigned to the American Press Association.
Currently not on view
Object Name
patent model: manufacture, electrotype shell and base
date made
ca 1885
patent date
Cummings, George W.
Cummings, John R.
Physical Description
metal (overall material)
overall: 2.3 cm x 27 cm x 5.7 cm; 7/8 in x 10 5/8 in x 2 1/4 in
ID Number
accession number
patent number
catalog number
Industry & Manufacturing
Patent Models, Graphic Arts
Patent Models
See more items in
Culture and the Arts: Graphic Arts
Patent Models
Patent Models, Graphic Arts
Data Source
National Museum of American History, Kenneth E. Behring Center

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