Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 266
Glass Strained by Pressure. These plates will be used as shown in Fig. 253, the lightpassing through them to the eye instead of being reflected. Fig. 255. … Glass Strained by Heat. The plates may be turned at any angle without changingthe position of the eye. 244 EXPERIMENTAL SCIENCE. The most perfect analyzer, ho.vever, is the Nicol prism.A very small one will answer perfectly for this class ofexperiments, and is not expensive. But to return to…
Physics · Lantern projection · Electric apparatus and appliances
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