#transparency__foil  picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
  supertype:  image__picture__icon__ikon  a visual representation of an object or scene or person produced on a surface; "they showed us the pictures of their wedding"; "a movie is a series of images projected so rapidly that the eye integrates them"
  subtype:  lantern_slide__lanternslide__slide  a transparency mounted in a frame; viewed with a slide projector
  subtype:  viewgraph__overhead  a transparency for use with an overhead projector

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