scotograph

Tanımlar (İngilizce)

1. isim An instrument for writing in the dark, or by the blind.

   “Scotograph or writing-machine for use of the blind”

2. isim An impression made on a photographic plate by a radioactive substance without the intervention of any opaque object other than the screen of the plate.

   “"Scotograph" is likely to stick as the popular term for portraits taken by the Röntgen process. It means "shade picture," and its analogy with photograph, which is a "light picture," is sufficiently manifest to help on its vogue.”

3. isim An image of a ghost or other apparition appearing on unexposed film.

   “The spirit-faces are sometimes obtained on ordinary paper without the aid of a camera and are called Scotographs.”