astroscopes

Noun

astroscope (plural astroscopes)

1. An old astronomical instrument formed of two cones, on whose surface the constellations were delineated.
   • The astroscope is the invention of Willliam Shuckhard, formerly professor of mathematics at Tubingen, who published a treatise expressly on it in 1698.1823, Encyclopaedia Britannica, page 190
2. An astrological chart.
   • You can also construct your astroscope on a wheel, just as professional astrologers do.1981, Arthur Barker, Astroscope Profile - Volume 1, page 11
3. A telescope powerful enough to see astronomical bodies.
   • astroscopes and other high precision optical devices1952, Moody's Industrials - Volume 24, page 2825