Details
Camera lucida
P. Berville, Paris; nickel-plated brass, engraved CHAMBRE CLAIRE UNIVERSELLE, in maker's case with twelve supplementary prism lenses, printed distance table and instruction leaflet signed W. BLY, SOLE AGENT FOR THE UNITED KINGDOM, 71 WOOD LANE, LONDON
P. Berville, Paris; nickel-plated brass, engraved CHAMBRE CLAIRE UNIVERSELLE, in maker's case with twelve supplementary prism lenses, printed distance table and instruction leaflet signed W. BLY, SOLE AGENT FOR THE UNITED KINGDOM, 71 WOOD LANE, LONDON