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4 Original Kellner Letters, 1853/54...
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2 Microscopes by Ernst Leitz...
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Student's Microscope and Dissecting Microscop...
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Laboratory Microscope by Ernst Leitz, c. 1947...
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3 Microscopes by Leitz and Zeiss...
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Very Early Microscope by Carl Zeiss, c. 1874...
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2 Early Microscopes by Carl Zeiss...
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Early Microscope by Carl Zeiss, c. 1878...
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Brass Microscope by Carl Zeiss, c. 1894...
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Brass Microscope by Carl Zeiss, c. 1885...
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Heavy Brass Microscope by Carl Zeiss, c. 1892...
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Zeiss Laboratory Compound Microscope, c. 1890...
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Small Microscope by Carl Zeiss, c. 1886...
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Early and Unusual Brass Microscope by Carl Ze...
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Early Microscope by Carl Zeiss, c. 1879...
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Brass Microscope by Carl Zeiss, c. 1889...
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2 Brass Compound Microscopes, c. 1880...
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2 Microscopes...
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Reichert Compound Monocular Microscope, c. 18...
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Viennese Microscope by Reichert...
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Seibert Laboratory Microscope, c. 1885...
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Hartnack Compound Microscope, c. 1880...
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Hartnack Brass Compound Microscope, c. 1875...
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"Le Trichinoscope" Brass Microscope by Arthur...
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Trentact 8x by Carl Zeiss Jena, 1913/14...
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Camera Lucida, c. 1900...
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Carl Zeiss Telescope 4–20x ...
