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 132
-e is closed then of courseboth eyes are seeing an image and one should get the appearance ofrelief characteristic of stereoscopic images. If one does not see withboth eyes the eye-points are too close or too far seperated for hispupils. The tubes should be seperated or approximated until each CH.… … Fig. 102. Greenoughs Erecting Binocular Microscope. This consists 0/two microscope tubes mounted side by side. The oculars may be approximatedor separated for the eyes of different observers. The images are erected by thePorro prisms in the large rounded part of the tube. {Zeiss Catalog.) H4…
Microscopy
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