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Early Monocular Prism Field Glass by Duboscq,...
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Parts for an Optical Bench, c. 1880...
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14 Opera Glasses, from 1920...
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7 Binoculars, from 1910...
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Camera Lucida or ...
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Microscope by ...
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Leitz Microscope, 1920...
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2 Leitz Microscopes, c. 1938...
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Early Leitz Brass Microscope, 1879...
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Brass Microscope ...
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2 Porcelain Figurines, c. 1900...
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Presentation Frame with Photographic Medallio...
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4 Advertising Enamel Signs, c. 1925...
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Advertising Medallion by A. Krüss, c. 1850...
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2 Enamel Signs...
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German Yearbooks ...
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