Patent Model - Improvement in Printing-Presses

Maker and role
Edward Dummer (b.1841, d.1936), Patentee
Edward Dummer (b.1841, d.1936), Assignee
David Watson (b.1853, d.1930), Assignee
Production date
Nov 13 1877
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Object detail

Cast iron, steel, brass, paint
10 1/4 x 13 1/2 x 7 3/4" (26 x 34.3 x 19.7cm)
The object of Dummer's invention is "first, to carry the inking roll or rolls over the form from which the impression is to be taken by means of bands or chains passing about pulleys rotating continuously in one direction..." (Patent Number 197,021)
Object number
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