Dictionary
Words, grammatical forms and meanings linked to the ontology.
perspective glass en · NOUN
Meanings
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A kind of early telescope.
He mounted, carrying the only perspective glass the vessel possessed. The captain watched him anxiously as he took a long look.
1906, Herbert Strang, In Clive's Command: A Story of the Fight for India, Illustrated, India: Bobbs-Merrill Company, page 115:The instrument was at first called Galileo's tube; the double eye-glass; the perspective; the trunk; the cylinder.
1896, Thomas Nathaniel Orchard, The Astronomy of Milton's 'Paradise Lost', London, New York: Longmans, Green, and Co., page 124:
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(historical) An instrument for viewing an enlarged image of engraved prints or maps https://web.archive.org/web/20150424011800/http://www.monticello.org/site/research-and-collections/perspective-glass.
Forms