Camera Obscura Tent by »Chevalier«, c. 1825
Engraving marks: "Inventé par Vincent et Charles Chevalier, Ing.r Opt.en, Quai de l'horloge No. 69 ŕ Paris". With original prism! Fantastic collector's item!
Estimate: € 9,000/12,000
US$ 10,800/14,400
Reserve: € 8,500/US$ 10,200


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