The botanist's companion; or, Directions for the use of the microscope (1860)
Balfour, John Hutton, 1808-1884. [from old catalog] · Edinburgh, A. and C. Black · leaf 19
e object, and three from eachend of it. These rays have atendency to proceed so as toform an image of the object ata, but coming in contact withthe field-glass c, they are madeto converge and meet at &, wherethe diaphragm is placed to in-tercept all light except what is^^g- 1^- rig- IS-… … Pig. 14. Smith and Becks compound microscope for students. A, brass stand, supported onthree feet; h, mirror supported on trunnions; c, diaphragm; d, stage-plate on which tlie objectis placed ; e, screw with milled head for fine adjustment; g, brass tube in which the body of theinstrument is moved,…
Botany · Microscopy
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