Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 109
fitted into atube which is screwed into the aperture of the stage, and which isadapted also to receive a polarizing prism and spot-lens.* 53. Parkess Educational Microscope.—Such as desire a large and * The cost of this instrument, ^vith a dividing object-glass of §■ inch and1 inch focus, in… … Crouchs Educational Microscope. will find the Microscope represented in Fig. 39 very suitable tosuch requirements. It is solidly built, without being undulyweighty, carries a body of full diameter (which can be lengthenedby a draw-tube to ten inches), and stands well upon its base. The* coarse…
Microscopy · Biology
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