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Brass Microscope ...
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Early Leitz Brass Microscope, 1879...
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2 Leitz Microscopes, c. 1938...
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Leitz Microscope, 1920...
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Microscope by ...
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Camera Lucida or ...
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7 Binoculars, from 1910...
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14 Opera Glasses, from 1920...
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Parts for an Optical Bench, c. 1880...
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Early Monocular Prism Field Glass by Duboscq,...
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6 Opera Glasses, c. 1930...
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Large Group of Binoculars, from 1920...
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Brass Microscope by ...
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Laboratory Microscope by ...
