Directions for use of the Krōmskōp lantern (1898)
London : The Photochromoscope Syndicate, Limited · leaf 7
THE LANTERN KROMSKOP. 5 operation of the levers q and r , which connect the pivoted objective mounts of the respective silvered mirrors. Although the Lantern Kromskop can be used with any lantern by removing the ordinary optical front, it is especially adapted for use with a “ Popular Science ”… … Fig. 11. ordinary science projection, with a sliding front, for carrying three projection systems (such as ordinary objective, microscope or micro-polariscope, and direct- vision spectroscope), and making instantaneous changes by moving it to stops. This multiple front can be lifted off, and the…
Projectors · Color photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
