'Perspective glass' definitions:

Definition of 'Perspective glass'

From: GCIDE
  • Perspective \Per*spec"tive\, n. [F. perspective, fr. perspectif: cf. It. perspettiva. See Perspective, a.]
  • 1. A glass through which objects are viewed. [Obs.] "Not a perspective, but a mirror." --Sir T. Browne. [1913 Webster]
  • 2. That which is seen through an opening; a view; a vista. "The perspective of life." --Goldsmith. [1913 Webster]
  • 3. The effect of distance upon the appearance of objects, by means of which the eye recognizes them as being at a more or less measurable distance. Hence, a["e]rial perspective, the assumed greater vagueness or uncertainty of outline in distant objects. [1913 Webster]
  • A["e]rial perspective is the expression of space by any means whatsoever, sharpness of edge, vividness of color, etc. --Ruskin. [1913 Webster]
  • 4. The art and the science of so delineating objects that they shall seem to grow smaller as they recede from the eye; -- called also linear perspective. [1913 Webster]
  • 5. A drawing in linear perspective. [1913 Webster]
  • Isometrical perspective, an inaccurate term for a mechanical way of representing objects in the direction of the diagonal of a cube.
  • Perspective glass, a telescope which shows objects in the right position. [1913 Webster]