Lens IN Brass Type Petzval Gasc And Charconnet. Circa 1865. #16807

Description

Description of the object
Gasc and Charconnet photographic lens. For portraits and groups Petzval formula. Serial number 16807. It is designed for the use of diaphragms with a central valve. Focusing is done by button and rack. focal length approximately 250 mm. Around 1865.
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We buy for private collectors, institutions and museums
Collections of 19th century photographs and photographic processes, rare cameras, primitive cinematographic devices, scientific, technical, acoustic, optical, electrical or astronomical devices or toys. We offer you an opinion, a council, an expertise of your objects or your collections. We invite you to visit us at 16 rue de Vaugirard in Paris in the 6th arrondissement, between the Luxembourg Gardens and Saint Germain des Prés. We are there from Tuesday to Saturday, from 11 a.m. to 7 p.m.
We buy for private collectors, institutions and museums
Collections of photographs and photographic processes from the 19th century, rare cameras, early cinematographic apparatus, scientific, technical, acoustic, optical, electrical or astronomical instruments and optical toys. We offer advice, information and a valuation of individual objects or entire collections. You are invited to visit us at 16 rue de Vaugirard in the 6th arrondissement, Paris, between the Jardin du Luxembourg and Saint Germain des Prés. We are open from 2pm to 7pm, Tuesday to Saturday.
Collections of 19th century photographs and photographic processes, rare cameras, primitive cinematographic devices, scientific, technical, acoustic, optical, electrical or astronomical devices or toys. We offer you an opinion, a council, an expertise of your objects or your collections. We invite you to visit us at 16 rue de Vaugirard in Paris in the 6th arrondissement, between the Luxembourg Gardens and Saint Germain des Prés. We are there from Tuesday to Saturday, from 11 a.m. to 7 p.m. Collections of photographs and photographic processes from the 19th century, rare cameras, early cinematographic apparatus, scientific, technical, acoustic, optical, electrical or astronomical instruments and optical toys. We offer advice, information and a valuation of individual objects or entire colle