Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 233
filled with milk, arranged in proper relation to thelight. The inner surface of the glass serves as a mirror, andthe surface of the milk serves the same purpose as thewhite paper. A cylindric napkin ring will show the curvesunder similar conditions. In fact, any bright concave cylin-drical surface… … Spherical Mirror. degree. A silvered glass globe held in the hand yieldsan image something like that shown in the engraving. The size of the image depends upon the distance of themirror, and is always less than that of the object. Thefarther the object is, the smaller is its image. This explainsthe…
Physics · Lantern projection · Electric apparatus and appliances
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