Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 231
ranged for white cloud illumination ; it also has a bulls-eye foropaque. The focussing is performed by a sliding arm, and the wholepacks into the remarkably small area of a case whose outside dimen-sions are 3J X 2J X 1 inches. But the very best form of dissecting microscope for loups or… … DISSECTING MICROSCOPES 207 be attached, or i:ot, as may be desired. The stage has a Largeopening, 3 x 3-| inches, into which can be placed either a flat braiplate, or a glass substitute, or a metal plate with a half-inch hole init. Underneath the stage are black and white screens which canreadily…
Microscopy
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