Precision pantograph, fitted case with key, (no.11 of Coradi's catalogue) instrument engraved "G. Coradi, Zurich, Switzerland, no.3534", type III, 60cm bars, no pen Precision pantograph,engraved "G. Coradi, Zurich, Switzerland, no.3534" Mathematics

Brass pantograph. Longer bars 30-inch long; by Elliott, 268 High Holborn, London Brass pantograph. Longer bars 30-inch long; by Ell Mathematics 1835-1849

Eidograph by W.F. Stanley, London and two drawings in passe-partout frames Eidograph by W.F. Stanley, London and two drawing Mathematics 1876

Early eidograph, formerly the property of Prof. R. Willis Early eidograph, formerly the property of Prof. R. Mathematics

Eidograph by Stanley, Great Turnstile, London, 3 feet long, in fitted box Eidograph by Stanley, Great Turnstile, London, 3 f Mathematics 1900-1920

Ebony pantograph 24 inches by Benjamin Martin, with brass pillars and castors, divided on ivory, in case Ebony pantograph 24 inches by Benjamin Martin, wit Mathematics 1738-1777

Brass pantograph on board, with drawing. Larger arm 2 ft. By W.F.Stanley, London. Brass pantograph on board, with drawing. Larger Mathematics 1876

Kew pantograph by W & S Jones in mahogany case. Kew pantograph by W & S Jones in mahogany case. Mathematics 1852-1859

Eidograph, by Alexander Adie; in mahogany box 2'11 1/4" x 7 1/4" x 4", middle bar divided and numbered 0 to 70 each way; arms 70 one way, and 80 the other Eidograph, by Alexander Adie; in mahogany box 2'11 Mathematics 1823-1834