細節
Wrench Illustrated Catalogue 1908-1909
of Optical Lanterns and Accessories, Mechanical and Effect Slides, Apparatus for Scientific Projection, Cinematographs and Accessories; cloth covers, John Wrench, London
of Optical Lanterns and Accessories, Mechanical and Effect Slides, Apparatus for Scientific Projection, Cinematographs and Accessories; cloth covers, John Wrench, London