| Étienne Jules Marey Chronophotographic apparatus producing upon one plate a series of photographs at equal intervals of time. 1911 (edition) Magazine illustration Private collection of Jack and Beverly Wilgus LL/89239 Albert A. Hopkins (ed.), 1911, Magic: Stage Illusions and Scientific Diversions, Including Trick Photography, (New York: Munn & Co., Scientific American Office), p. 30
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