Word Meanings - TELEGRAPHOSCOPE - Book Publishers vocabulary database

An instrument for telegraphically transmitting a picture and reproducing its image as a positive or negative. The transmitter includes a camera obscura and a row of minute selenium cells. The receiver includes an oscillograph, ralay, equilibrator, and an induction coil the sparks from which perforate a paper with tiny holes that form the image.

• Paperweight
  See under Paper, n.
• Reproduction
  The act or process of reproducing; the state of being reproduced
• INDUCTIONMOTOR
  A type of alternating-current motor comprising two wound members, one stationary, called the stator, and the other rotating, called the rotor, these two members corresponding to a certain extent to the field and armature of a direct-current motor.
• Imageless
  Having no image.
• Minute-jack
  A figure which strikes the hour on the bell of some fanciful clocks; -- called also jack of the clock house.
• Reproductive
  Tending, or pertaining, to reproduction; employed in reproduction.
• INSTRUMENTALISM
  The view that the sanction of truth is its utility, or that truth is genuine only in so far as it is a valuable instrument. -- In`stru*men"tal*ist, n. Instrumentalism views truth as simply the value belonging to certain ideas in so far as these ideas a
• Minutemen
  of Minuteman
• Perforated
  of Perforate
• Reproductory
  Reproductive.
• NEGATIVENESSNEGATIVITY
  The quality or state of being negative.
• Minuteman
  A militiaman who was to be ready to march at a moment's notice; -- a term used in the American Revolution.
• Perforate
  To bore through; to pierce through with a pointed instrument; to make a hole or holes through by boring or piercing; to pierce or penetrate the surface of.
• Selenium
  A nonmetallic element of the sulphur group, and analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark me
• OSCILLOGRAPH
  An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, usually consisting of a galvanometer with strong field, in which the mass of the moving part is very small and frequency of vibration very high. --

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