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ch ro IKTEODUCTOBY
The Optical System
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alternately amateur amperes animated photographs animated picture apparatus arc light arrangement attached Biokam Birtac brilliant carbon celluloid centre cinematographic camera condenser connection consideration continuous course crank cylinder device diagram distance drawing edge Edison electric electric arc exhibition exposure extent feed film fitted flicker forward give groove holes Hotchkiss gun illumination inches instrument kinetoscope lamp lantern slides lens lenses less little claw little picture living photographs maltese cross manner matograph matter means mechanism ment movement moving necessary intermittent motion negative objective operator optical ordinary lantern pass pawl pegs perforations persistence of vision piece placed plates portion position possible present principle printing projection machines ratchet wheel reduced result revolution revolve rollers Rotoscope screen screw screw thread series photographs shown shutter side spindle spool sprocket wheel stationary strip sufficient supposed taking tangent wheel turn the handle vibration wide-angle lens