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Definition 2024
perspective_glass
perspective glass
English
Noun
perspective glass (plural perspective glasses)
- A kind of early telescope.
- 1896, Orchard, Thomas Nathaniel, The Astronomy of Milton's 'Paradise Lost', London, New York: Longmans, Green, and Co., page 124:
- The instrument was at first called Galileo's tube; the double eye-glass; the perspective; the trunk; the cylinder.
- 1906, Strang, Herbert, In Clive's Command: A Story of the Fight for India, Illustrated, India: Bobbs-Merrill Company, page 115:
- He mounted, carrying the only perspective glass the vessel possessed. The captain watched him anxiously as he took a long look.
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- (historical) An instrument for viewing an enlarged image of engraved prints or maps .