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10 Books about ...
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"Analytische Dioptrik" by Georg Simon Klügel...
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2 Brass Telescopes...
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3 interesting Telescopes, c. 1840...
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Large Brass Telescope, c. 1840...
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Brass Refracting Telescope by Salmon, c. 1870...
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Italian Refracting Vellum Telescope, c. 1750...
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Very Early Telescope by Voigtländer & Sohn, b...
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Mahogany Microscope Slide Cabinet, c. 1880...
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Small Solar Microscope, c. 1780...
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American Microscope Oil Lamp, c. 1870...
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2 Early Simple Microscopes...
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French Polarising Microscope by Nachet, c. 18...
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Simple Spring Microscope, End of 18th Century...
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C. Baker Microscope Paraffin Oil Lamp, c. 187...
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Optical Compendium and Dissecting Microscope...
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2 Simple (Fleaglass) Microscopes, c. 1780...
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5 Simple Microscopes, 1860 onwards...
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Brass Compound Microscope, c. 1870...
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Gould-Type Microscope, c. 1790...
