The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 29
Fig. 15-16. Virtual Image with theObject near to and far from the Prin-cipal Focus. /• /> U f The principal foci on the axisabove and below the lens. Lc, Lc The same lens to show the dif-ference in size of the virtual image withthe object near to and far from the princi-pal focus. ep The… … Tripod Magnifier. § 16. Mounting of simple microscopes. — Magnifiers are arrangedin mountings to be held in the hand; for example, reading glasses and pocket magnifiers. The tripodmagnifier (fig. 17) may be held in thehand or supported by its legs over theobject to be seen. Sometimes there isa…
Microscopy · Microscopy -- Technique
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