Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 624
LANTERN PROJECTION. 601 by means of the cement above described. The front end ofthe tube is closed, with the exception of an orifice three-eighths inch in diameter, in which is inserted a smooth tubeabout one-half inch long. A nipple projects from one sideof the fountain tube, for receiving the… … Luminous Fountain, desired results. The stream will be illuminated throughoutits entire length, if a smooth flow of water is secured, andit may be tinted by inserting colored plates of glass in theslide receiver. In Fig. 574 are shown some cuiious effects of refraction.A portrait is placed in the…
Physics · Lantern projection · Electric apparatus and appliances
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