Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 211
Geometricalrepresentationsof the sphericallenses. 202 NATURAL PHILOSOPHY. Double convexlens; Plano-convex; … Plano-concave Meniscus; Concavo-convex. curvature of the twosurfaces is the same,the lens is said to beequally convex. B, is a lens with oneof its faces plane, theother spherical, thislatter face and its cen-tre being on opposite sides of the lens, and is called a plano-convex lens.Double concave;…
Mechanics · Acoustics · Optics
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