The sciopticon manual : explaining Marcy's new magic lantern, and light, including magic lantern optics, experiments, photographing and coloring slides, etc. (1874)
Marcy, L. J., author · Philadelphia : L.J. Marcy · leaf 189
179 SCIOPTICON MANUAL. or other object, in the aperture at 0 ; after which it is brought to a focus by the object-glasses at F , and finally again polarized, or analyzed , by the NicoFs prism P, and thence thrown on the screen, the disc on which should not exceed three feet in diameter. … Fig, 50, The phenomena connected with the polarization of light are attended by a most gorgeous display of colors, and are, in consequence, among the most attractive in the whole range of physical optics ; an apparatus, there¬ fore, which facilitates their exhibition to an audience becomes a most…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
