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 86
immer-sion objective in position (§ 54) and the flys wing for object under CH. II] LIGHTING AND FOCUSING 67 the microscope. Place a drop of distilled water on the cover-glass,and with the coarse adjustment lower the tube till the objectivedips into the water, then light the field well and turn the… … Objective Object-b 4^j Object-a Fig. 65. Figure to show thai in lengthening the tube of the microscope theobject must be brought nearer the principal focus or center of the lens. It willbe seen by consulting the figure that in shortening the tube of the microscope theobject must be removed farther…
Microscopy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
