"Theater Lorgnette With 6 Sides In Mother-of-pearl And Brass Signed Lerebours 19th Century"
Six-sided (deployment) spyglass in mother-of-pearl and gilded brass Signed "Lerebours optician of the observatory and the bureau of longitudes" "place du Pont Neuf in Paris" 19th century, circa 1820-1840 Length deployed: 10.4 cm - Lens diameter: 4.7 cm Good condition