The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 141
it is above or below, or to one side of the eye-point,part or all of the field of the microscope will be cut off. As statedabove, the centering screws are for the proper horizontal arrangementof the prism. The prism is set at the right height by the makers forthe eye-point of a medium ocular. If… … Fig. 113. One of the latest andbest forms of the Abbe Camera Lucid a{Bausch & Lomb Optical Co.). § 59 and the prism loosened and raised or lowered to the proper level ;but in doing this one should avoid setting the prism obliquely to themirror. In the latest and best forms of this camera lucida…
Microscopy
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