Definition of polyscope in English:

polyscope

Pronunciation /ˈpɒlɪskəʊp/

noun

US Cinema
  • A type of film projector based on the same principles as Edison's Kinetoscope. Compare "kinetoscope". Now hist.

    First produced in 1896 by William Selig (1864–1948), and used by his film production company the Selig Polyscope Company until 1918.

Origin

Late 17th century (in an earlier sense). From poly- + -scope.