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
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 … bubble of air which it contains rises to the middle of theupper side of the tube. If either end be depressed, the ( 83.) Describe a Spirit Level. How mouBted?. 88 POPULAR PHYSICS. bubble runs towards the other end.narily mounted in a wooden case. When used it is ordi- This form of level is much…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
