n the construction of ‘his the gages. A isa tube more than fifty feet in hight terminat- index hand of the dial is left free from any action other than spring. While the corrugations of the disks alone, would ing at its base in a reservoir, B, of :nercury. Cis an ordinary that of the varying… … has no application in the arts, and is of very the reservoir, K, and on the surface of the mer- cury in the reservoir, B. rare occurrence. Some of the salts of ceria are, however, plication of pressure, these aresupplemented by the flanges, highly prized in medicine. . The spring of which Fig. 4 is…
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