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Today we are excited to offer for sale a rare and all-original signed Cary of London brass pantograph with wooden case! William Cary (1759-1825) was an English scientific-instrument maker. He produced numerous scientific instruments including mechanical calculators, measuring instruments, telescopes, microscopes, navigation and survey equipment. Cary learned the skills for producing instruments as an apprentice of Jesse Ramsden (1735-1800). The instruments made by William Cary were used around the world including Russia and India. He also made instruments for the English chemist William Hyde Wollaston. A pantograph is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a second pen. If a line drawing is traced by the first point, an identical, enlarged, or miniaturized copy will be drawn by a pen fixed to the other. This brass pantograph consists of four linked rods with rectangular cross section. A round stone disc placed into the fixed outermost holder anchors the pantograph. A tube with a cup at one end fits into either of the two remaining round holders (the tube would hold a pencil point; the cup would hold pebbles, shot, or some other weight to keep the pencil on the paper). The tracer point goes in the other holder. The pantograph moves over the paper on four ivorene wheels. A mark on the top of one arm reads: Cary London. The instrument fits in a shaped wooden case. Set presents beautifully and is in very good antique condition, with very minor wear and patina commensurate with age and light use. The wood case has very minor surface wear/scuffing, and a few age-related stable cracks. The pantograph is in very good condition, with very minor surface patination. All moving parts in working order. This is a great opportunity to own a rare and hard-to-find signed Cary pantograph which will make an outstanding addition to any antique scientific instrument collection. Fresh to the market!
Dimensions of case: 21-3/8″ in length, 5-3/4″ in depth, and 4″ in height Dimensions of pantograph: 3″ in height, longer rod approx. 20″ in length, smaller rod approx. 9″ in length
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