The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 133
cida reflecting the rays of light from the drawingpaper, etc., so that their direction when they reach the eye coincideswith the direction of the rays from the microscope (Fig. 57, 60). Inall of the camera lucidas of this group, the rays from the paper are twicereflected and no inversion appears.…
Microscopy -- Technique
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