File:Chambers 1908 Lenses.png
Chambers_1908_Lenses.png (478 × 356 pixels, file size: 28 KB, MIME type: image/png)
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Summary
[edit]DescriptionChambers 1908 Lenses.png |
English: Illustration from 1908 Chambers's Twentieth Century Dictionary.
Lens, n. (optics) a piece of transparent substance with one or both sides convex or concave, the object to refract rays of light really or apparently radiating from a point, and make them deviate so as to pass, or travel on as if they had passed, through another point. |
Date | |
Source | Chambers's Twentieth Century Dictionary of the English Language |
Author | Rev. Thomas Davidson 1856-1923 (ed.) |
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current | 13:09, 13 January 2012 | 478 × 356 (28 KB) | Keith Edkins (talk | contribs) | {{Information |Description={{en|1=Illustration from 1908 Chambers's Twentieth Century Dictionary. '''Lens''', ''n.'' (''optics'') a piece of transparent substance with one or both sides convex or concave, the object to refract rays of light really or app |
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