Beale, Lionel S. (Lionel Smith), 1828-1906 · London, Harrison · leaf 30
nglish manufacture, but some ofthose furnished with the cheap microscopes are made on theoontiuent, and are much less expensive. The defining power ofmany of these foreign objectives is very good, and they areadmirably adapted for all ordinary work—they vary in price fromten to thirty shillings,… … Fig. 1. Illustratea the manner in whicli an object is magnified by the simple microscope ur \iy a lens.Tig. 3. Diagram of compound microscope, a. Point where tlie object is brouijlitto a tnrus Iiy llic object-glass (c). Tlie image formed at this point is iiiagnitied again by tlie eje-piece B.Iig.…
Microscopy
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