Spectropia, or Surprising spectral illusions
Subtitle: showing ghosts everywhere, and of any colour.
Publisher: James G. Gregory
Published: 1864
Place of publication: New York
Language: eng
Number of pages: 16
Subjects: After-images.
Other titles: Spectropia.; Surprising spectral illusions.
Notes: The 16 plates (2 black-and-white, the rest in various colors) provide the means to carry out the experiments in the phenomenon of complementary afterimage explained in the text pages.