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Brass Microscope by Dr. Arthur Chevalier, c. ...
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Heavy Brass Microscope by Carl Zeiss, c. 1890...
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4 Brass Microscopes...
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4 Microscopes and Other Items ...
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Binoculars and Telescopes...
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German Microscope by Voigtländer, c. 1920...
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English Binocular Microscope, c. 1880...
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Austrian Microscope by Reichert, c. 1920...
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Binocular Microscope by R. & J. Beck, London,...
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Compound Binocular Microscope by R. & J. Beck...
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Celestron C8 Schmidt-Cassegrain Telescope...
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6 Brass Microscopes...
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Gregory-Style 4-Inch Reflecting Telescope, La...
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Gregory-Style Reflecting Telescope, c. 1780...
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Brass Refracting Telescope, c. 1880...
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3 Brass Telescopes...
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4 Surveying Instruments...
