The microscope; an introduction to the microscopic methods and to histology (1911)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Publishing Company · leaf 141
fnui^r-b … Objective Object-bOhjeci-a Fig. no Figures showing that the size of object and image varydirectly as tlieir distance from the center of the lens. In Fig. no one can alsosee why it is necessary tofoctis down, i. e. bring the object and objectives nearertogether when the tube is lengthened. See also…
Microscopy
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