Science, Technology & Clocks 2009-07-25 Auction - 861 Price Results - Bonhams Skinner in MA - Page 7
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325: Magnificent Pair of 18-inch Newton Library Globes,494: Four Swords, Japan, 19th century, one Katana, two 498: Two Artillery Short Swords, American, 19th century
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Boston, MA, United States
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Science, Technology & Clocks

Science, Technology & Clocks offers a wide range of historical and scientific instruments at auction including nautical antiques, instruments of celestial navigation, telescopes, microscopes, globes, early medical material, mechanical music and automata, patent models and timekeeping devices . The horological component of this department spans centuries of invention and function from the earliest timekeeping devices to precision regulator clocks of the 19th century.
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Brass Sighting Instrument by Hall Colby, marked Ha: Brass Sighting Instrument by Hall Colby, marked Hall Colby's Patent February 22, 1870, the 4 in. radius half circle calibrated 0-90 in two directions, adjustable ring marked on one limb Altitude and
0153: Brass Sighting Instrument by Hall Colby, marked HaEst. US$800-US$1,200
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Brass Miner's Dial by Hall Brothers, with silvered: Brass Miner's Dial by Hall Brothers, with silvered 4 1/2 in. dial engraved Hall Bros., Clerkenwell, London, 1926, two inset vials, East and West points reversed, divided 0-90 in four quadrants,
0156: Brass Miner's Dial by Hall Brothers, with silveredEst. US$800-US$1,200
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Bronzed Brass Theodolite by Troughton & Simms, Lon: Bronzed Brass Theodolite by Troughton & Simms, London, with 4 1/4 in. silvered dial divided 0-90 in four quadrants, wheel-set vernier moving limb and two vials around needle ring calibrated 0-360,
0161: Bronzed Brass Theodolite by Troughton & Simms, LonEst. US$1,500-US$2,000
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Brass Theodolite by Stanley, London, with 3 in. di: Brass Theodolite by Stanley, London, with 3 in. dia. brass dial marked with maker's name, cardinal points in block lettering, horizontal circle divided 0-360, silvered horizontal ring with two
0165: Brass Theodolite by Stanley, London, with 3 in. diEst. US$800-US$1,200
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