Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

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BRIEF HISTORICAL SUMMARY 68 1 From 1872 onward there have been three epoch making periods in reaching approximate perfection in moving pictures. The first period is represented by the work of Eadweard Muybridge, who first made successful analyses of rapid movement in 1872-1881. In 1879 he arranged the successive stages of a movement on a glass disc and projected the FIG. 408. PLATEAU'S MAGIC Disc (PHENAKISTOSCOPE). (From the Correspondance Mathematique et Physique, Tome VII, 1832) Notches were cut around the edge as indicated by the dark terminations of the radii. A pin is put in the center, the figures turned toward a well lighted mirror, and the disc rotated. By the momentary glimpses through the radial slits the figure seems to go through the movements of the dance. The back of the disc should be black, and the figures show better if the outlines are made heavier than in the picture.