Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 90
called a tripod, as shown in Fig. 54. A quantityof water tinged with carmine or other coloring matter isintroduced into one of the glass tubes, which, flowingthrough the horizontal tube, rises to the same level inthe other. A visual ray directed along the surfaces of the Sow shown T ( 82.) What is… … Fig. 54. The Spirit Level. 83. The Spirit Level consists of a tube of glass nearlyfilled with alcohol, and closed at its two extremities. Thetube is slightly curved, and when placed horizontally, the
Physics
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