Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 264
a large mirror in a horizontal direction,.W, to a cube of glass which has a silvered diagonal plane witha small circular hole in it in the visual point of the eye-piece.The microscopic image is seen directly through this aperture in thesilvering of the prism, while the silvered plane of the prism… … Fig. 186. pencil with which it is to be drawn are seen coincidentally withoutany straining of the eyes. This instrument requires the paper to be placed in a planeparallel to that of the object; thus, if the microscope is vertical thepaper must be horizontal, and vice versa, and it presents the…
Microscopy
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