Fresnel lens by F. Barbier & Cie

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Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie Fresnel lens by F. Barbier & Cie

Fresnel lens by F. Barbier & Cie

A 4th order Fresnel dioptric drum lens by F. Barbier & Cie, Paris, dated 1893. 

250 mm focal length.

Maker's plate marked: F. BARBIER & Cie. Constructeurs PARIS - 1893

Height: 46 cm.

Diameter: 62cm.

Frédéric Barbier & Cie, Rue Curial, Paris, France.