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 242
ars in photography, although excellent results have been obtained withthem. An amplifier is sometimes used in place of an ocular. Considerableexperience is necessary in getting the proper mutual position of objective and CH. V1W\ PHO TO-MICROGRAPm 223 amplifier. The introduction of oculars… … Fig. 172. Projection Oculars with sectionremoved to show the construction. Below areshown the upper end with graduated circle toindicate the amount of rotation found necessaryto focus the diaphragm on the screen. No. 2,No. 4. The numbers, indicate the amount theocular magnifies the image formed by…
Microscopy
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