Chromotrope mechanical lantern slide with a set of tewlve interchangeable discs and two locating rings in a wooden box. Chromotrope mechanical lantern slide
Chromotrope, one of nine, of various patterns by Carpenter & Westley, 24 Regent Street, London, 1890-1900. chromotrope 1890-1900
Chromotrope, one of nine, of various patterns stamped Carpenter & Westley, 24 Regent Street, London, late 19th century. Magic lantern slide: chromotrope 1890-1900