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Very Early Telescope by Voigtländer & Sohn, b...
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Italian Refracting Vellum Telescope, c. 1750...
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Brass Refracting Telescope by Salmon, c. 1870...
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Large Brass Telescope, c. 1840...
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3 interesting Telescopes, c. 1840...
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2 Brass Telescopes...
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"Analytische Dioptrik" by Georg Simon Klügel...
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10 Books about ...
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Gregory-Style Reflecting Telescope, c. 1780...
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English Reflecting Telescope by Dollond, c. 1...
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"Utzschneider und Fraunhofer" Brass Telescope...
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4 Telescopes on Decorative Stands, 19th Centu...
