Patent Model of an Electrotype Shell and Base

Cummings, George W. · ca 1885

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.