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 64
es of this class. A female figure is seen floating down to earth; around her forehead is a wreath of poppy, indicating sleep ; in her arms are two sleeping children (Sleep and Death) ; and in their company is the symbolic owl. T HE SLIP SLIDE. Fig. 19 represents a class of movable slides most in… … Mg. 19. on the slip. Both glasses are blackened except where the picture is to show; when the slip is pushed in, the bird appears with a drooping tail; when the slip is drawn out, then you will see him spread. In some of these there is a slip each side of the fixed glass. In the popular slide…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial351dodg-340-484.webp)
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