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perspective glass. In DICTIOUS you will not only get to know all the dictionary meanings for the word
perspective glass, but we will also tell you about its etymology, its characteristics and you will know how to say
perspective glass in singular and plural. Everything you need to know about the word
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English
Noun
perspective glass (plural perspective glasses)
- A kind of early telescope.
1896, Thomas Nathaniel Orchard, 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, Herbert Strang, 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.
- (historical) An instrument for viewing an enlarged image of engraved prints or maps .