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Unmarked Petzval-Type Lens with Rims Engraved...
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Darlot "Hémisphèrique" Wide-Angle Lens, c. 18...
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2 Brass Lenses by Darlot...
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L.F. Colas élève de Lerebours, No. 982, c. 18...
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3 French Brass Lenses and 1 Caterpillar Proje...
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Vallantin Landscape Lens, c. 1865...
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Alexis Millet Landscape Lens for J. Duboscq, ...
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Rare Wide-Angle "Hémisphèrique" Convertible L...
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Convertible Lens No. 11824 by Hermagis, c. 18...
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Petzval-Type Lens by "Derogy Opticien Succr d...
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3 French Brass Lenses, 1858 onwards...
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Early Jamin Portrait Lens (Petzval Type), c. ...
