Chromatrope

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A chromatrope is a type of magic lantern slide that produces dazzling, colorful geometrical patterns set in motion by rotating two painted glass discs in opposite directions, originally with a double pulley mechanism but later usually with a rackwork mechanism. [1] [2]

The chromatrope was probably invented in the year 1841 (or slightly earlier) by English glass painter and showman Henry Langdon Childe, by which year it was listed in the Royal Polytechnic Institution catalogue. [3] [4] It was added as a novelty to the program of the Royal Polytechnic Institution, [5] [6] which had previously included many other types of magic lantern shows with moving images, such as phantasmagoria and dissolving views.

The principle and the effect of the chromatrope is similar to that of the feux pyriques that had gained some popularity in rich North European households at the end of the 18th century. The resulting abstract and everchanging image is also very similar to that of the kaleidoscope, which had caused an enormous international craze in 1818.

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Events in 1891 in animation.

Events in 1874 in animation.

References

  1. "Luikerwaal - Mechanical Slides". www.luikerwaal.com.
  2. "Chromatropes". www.luikerwaal.com.
  3. "A rare and large Henry Langdon Childe Mahogany-Mounted and Brass Hand-Painted Chromatrope, pair o". www.the-saleroom.com. 7 July 2016.
  4. Balzer, Richard. "Dick Balzer's Website: Homepage". www.dickbalzer.com.
  5. The Athenæum. 21 December 1844.
  6. "The Royal Polytechnic Institution ... Catalogue for 1841. New edition". 29 September 1845 via Google Books.