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Islamic Astrolabe, probably late 19th Century...
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German Terrestrial Globe, c. 1935...
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German Coin Balance by Herbertz, 1769...
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2 Standard Meters by Otto Fennel, c. 1900...
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Planetarium Clock by William Perkins, 1925...
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Electrotherapeutical Devices, Physical Instru...
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Hughes Induction Balance, 1879...
