Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 125
ror at 45° at the top of a long cardboard tube and observethe paper under the black cloth. Do you get a fine picture onthe paper? This illustrates the construction of one type of submarineperiscope. The Stereoscope (Fig.188) turns two pictures intoone that stands out. Theglasses are prismatic… … GILBERT LIGHT EXPERIMENTS 123 tare AB. The pictures are taken in a stereo-scopic camera, which is simply two camerasside by side and a short distance apart. Your Eye (Fig. 190) has an outer hornymembrane called the cornea and behind thisa watery liquid called the aqueous humor,behind this a…
Light · Scientific recreations
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