photoscope

Tanımlar (İngilizce)

1. isim Any of various instruments employed for the observation of light, luminous effects, or photographs.
2. isim Any of various devices to aid in vision.

   “Herr Korzel, without the knowledge of the postal authorities, connected his photoscope to a telephone, and had the central office connect him with a business friend in Potsdam, who likewise was provided with a photoscope.”