Combined eidograph and geometric drawing instrument patented 1858 by William Wythes and made by Queen & Co.
1858-1880
Froude-pattern proportional dividers
1862-1900
Pantograph in box
Stanley improved eidograph
1880-1899
Eidograph, Stanley pattern
1870-1900
Proportional dividers by H.Hughes & Son Ltd. London
"New pantograph" made by W & A Smith
1838-1840
Brass pantograph, in fitted mahogany case
1794-1834
Ebony pantograph by Gourdin
1789
Pantograph in box
1751-1773
Pantograph in box
1788-1804
Mahogany pantograph by G. Adams in fitted box
1734-1772
Pantograph in box
1791-1851
Pantograph in box
1791-1859
Pantograph by George Adams
1765
Draughting pantograph with wooden case
1940-1960
Early pantograph
Eidograph by Stanley
1900-1920
Eidograph, by Alexander Adie; in mahogany box 2'11 1/4" x 7 1/4" x 4"
1823-1834
Brass pantograph. Longer bars 30-inch long; by Elliott
1835-1849
Brass pantograph on board
1876
Eidograph by W.F. Stanley
1865-1876
Precision pantograph
Pantograph by Coradi No. 525 in box
Early eidograph
Kew pantograph by W & S Jones in mahogany case.
1852-1859
Ebony pantograph 24 inches by Benjamin Martin
1738-1777
Eidograph by W.F. Stanley
1876
Pantograph in wooden case
1940-1950