Physical laboratory experiments : mechanics, optics and heat (1917)
Goodwin, H. M. (Harry Manley), 1870- · Boston : G. H. Ellis Co., Printers · leaf 76
with boxwood, or other non-metalliccoating to prevent contact of the mercury with the metal. From the top of the cover an ivory point, P, projectsdownward, the position of the lower end of which is takenas the zero point for adjusting the scale on which the heightof the barometer is read. This… … Fig. 20. 74 PHYSICAL LABORATORY EXPERIMENTS bottom, where it is cut away to permit the mercury surfacesbeing seen. It is provided with a thermometer for indicat-ing the temperature of the mercury and scale, the bulb beingplaced inside the metal case next to the barometer tube. To set the barometer,…
Physics · Mechanics
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