Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 272
^, and it must be remembered that mica splitsalmost indefinitely. The cone thus made has the appearance in the polari-scope of a huge circular crystal of salicine. The colors ofthe cone may be heightened by mounting it on a sheet of P(JLARIZED LIGHT. 249 mica, as shown in the engraving. The cone is… … ^^N K\5\>$^ Mica Cone. and turned and marked in a similar wa). The cone isthen cemented by its edges to the sheet, the marked edgesof both members being arranged in the same direction. The Maltese cross shown in Fig. 262 is revoluble. The Fig. 262.
Physics · Lantern projection · Electric apparatus and appliances
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