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Super Simplex

optical device

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use in motion-picture projection

  • Eadweard Muybridge
    In motion-picture technology: Projection technology and theatre design

    …and even the 1930 model Super Simplex is still in wide use. The essential mechanism is still the four-slot Maltese cross introduced in the 1890s. The Maltese cross provides the intermittent Geneva movement that stops each frame of the continuously moving film in front of the picture aperture, where it…

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Vitascope
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Vitascope
The role of chemistry in Thomas Edison's inventions
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Vitascope
Vitascope Advertisement for Thomas Edison's Vitascope.

Vitascope

cinematic device
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The role of chemistry in Thomas Edison's inventions
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Vitascope, motion-picture projector patented by Thomas Armat in 1895; its principal features are retained in the modern projector: sprocketed film operated with a mechanism (the “Maltese cross”) to stop each frame briefly before the lens, and a loop in the film to ease the strain. The Vitascope was adopted by Thomas A. Edison to project his Kinetoscope films, leading first to the Nickelodeon theatre and soon to the full-length motion picture. See also Cinématographe; Kinetoscope.

This article was most recently revised and updated by Amy Tikkanen.
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