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5 Small Brass Microscopes, 1800-1880...
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2 Dutch Brass Microscopes by van Emden, c. 18...
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Large German Brass Microscope, c. 1895...
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Seibert Laboratory Microscope, c. 1890...
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English Cary-Type Compound Microscope, c. 185...
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2 Brass Microscopes and Accessories...
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2 English Brass Microscopes...
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John Bleuler Culpeper-Type Microscope, c. 182...
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Folding Spy Glass, c. 1815...
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Sighting Scope and Monocular Telescope...
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2 Telescopes...
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3 Compact Binoculars...
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Large Astronomical Telescope by K. Fritsch, c...
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3 Monocular Opera Glasses...
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2 Luxury Opera Glasses...
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Chevallier Spy Glass and 2 further Opera Glas...
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3 Monocular Opera Glasses...
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Single-Draw Telescope with Ribbed 18 k Gold M...
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4 Opera Glasses...
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4 Monocular Opera Glasses...
