Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 106
In a tall, slim glass tube, closed atthe bottom and filled with water, is placed a porcelainor glass figure having a glass bulb attached to its head.The p-lass bulb has a small hole in the bottom, and is filledpartly with water and partly with air, the proportion of airand water being such as to… … The Cartesian Diver. 84 EXPERIMENTAL SCIENCE. contained b} the bulb, causing the air to occupy less spaceand increasing the weight of the bulb in proportion to theamount of water forced in. As the weight of the bulb in-creases the diver descends, and when the finger is removedfrom the elastic cover…
Physics · Lantern projection · Electric apparatus and appliances
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