Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 121
trument frombecoming too long,the rays of light arereflected back andforth from one endto the other bymeans of right-angled prisms.Figure 91 shows a diagram of the path of a light ray in one tube of the binocular. 134. A Fishs View of the Outside World. — It is rather interesting to note just how… … Figure 90. Use of Prismatic WindowGlass.
Physics
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