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Universalium. 2010.
Speculum metal — Speculum Spec u*lum, n.; pl. L. {Specula}, E. {Speculum}. [L., fr. specere to look, behold. See {Spy}.] 1. A mirror, or looking glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. [1913 Webster] 2. A reflector of polished… … The Collaborative International Dictionary of English
Speculum metal — is a very hard white alloy of four parts copper to one part tin, or according to [http://www.astronomybuff.com/leviathan of parsonstown/ other sources] , three parts copper to one part tin; some compositions contained 1–2% of arsenic. Composition … Wikipedia
speculum metal — n. an alloy of copper and tin that will take a mirrorlike polish, used for making mirrors … English World dictionary
speculum metal — veidrodinis metalas statusas T sritis fizika atitikmenys: angl. speculum metal vok. Spiegelmetall, n rus. зеркальный металл, m pranc. métal à miroir, m … Fizikos terminų žodynas
Speculum metal — Spiegelmetall ist eine sehr harte, gut polierbare, weißliche Bronzelegierung aus Kupfer, Zinn und Zusätzen anderer Metalle, die die Härte und Polierbarkeit verbessern. Legierungen Einige für Spiegel verwendete Legierungen sind: einfache… … Deutsch Wikipedia
speculum metal — noun an alloy of copper and tin used to make mirrors, especially formerly for telescopes … English new terms dictionary
speculum metal — /ˈspɛkjələm mɛtl/ (say spekyuhluhm metl) noun any of several copper and tin alloys used for mirrors and reflectors …
speculum metal — noun : an alloy capable of taking a brilliant polish, used for making reflectors, and being commonly a hard brittle alloy of copper and tin in various ratios (as tin 33 to copper 67) with often a little arsenic, antimony, or zinc added to improve … Useful english dictionary
Speculum — Spec u*lum, n.; pl. L. {Specula}, E. {Speculum}. [L., fr. specere to look, behold. See {Spy}.] 1. A mirror, or looking glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. [1913 Webster] 2. A reflector of polished metal,… … The Collaborative International Dictionary of English
Speculum — Spec u*lum, n.; pl. L. {Specula}, E. {Speculum}. [L., fr. specere to look, behold. See {Spy}.] 1. A mirror, or looking glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. [1913 Webster] 2. A reflector of polished metal,… … The Collaborative International Dictionary of English
