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Drum-Type Microscope by Bénèche & Wasserlein,...
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Brass Compound Microscope, c. 1860...
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English Compound Microscope by Henry Crouch, ...
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3-inch Refracting Telescope by Bardou, mid-19...
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Pillischer Compound Brass Microscope, c. 1860...
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Drum-Pattern Microscope, c. 1860...
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German Compound Microscope by Messter, 1899...
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Large Collection of Microscopic Preparations,...
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Reichert Compound Monocular Microscope, c. 18...
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Hartnack Brass Compound Microscope, c. 1875...
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Brass Compound Microscope, c. 1880...
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Brass Compound Microscope, c. 1860...
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Large and Unusually Constructed Microscope, c...
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2 Brass Microscopes, c. 1860...
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English Brass Compound Microscope by William ...
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Rare Four-Draw Refracting Telescope by George...
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4 Physical Demonstration Models, c. 1910...
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100 Volumes "Polytechnisches Journal", c. 183...
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Wimshurst's Electrostatic Machine with Instru...
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7 Electrostatic and Other Demonstration Model...
