overall: 30.5 cm x 29.5 cm x 19.5 cm; 12 in x 11 5/8 in x 7 11/16 in
Object Name:
Patent Model
Machine, engraving
Place made:
United States: District of Columbia, Washington
Date made:
Patent Date November 3, 1868
circa 1868
Patent date:
November 3, 1868
Description:
<I>Machine for engraving metal plates or cutting stencils from original designs. The engraved copies were engraved in reverse and reduced in size. The patent improved on patents taken out in 1866 and 1867.</I>
Harris, Elizabeth M. <I>Patent Models in the Graphic Arts Collection.</I>
Washington, D.C.: National Museum of American History, Smithsonian
