Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 418
Co>nponr.d microscope.—The simplest kind of compound microscope is formed by the combination oftwo converging lenses, whose axes are placed in the same straight line. The arrangement of thelenses, and the path of the rays, wiU be readily understood from tlie annexed diagram, Fig. 2S42.M N is the…
Mechanical engineering · Mechanics · Engineering
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