Physical laboratory experiments : mechanics, optics and heat (1917)
Goodwin, H. M. (Harry Manley), 1870- · Boston : G. H. Ellis Co., Printers · leaf 75
rcury in the cis-tern. The height of the barometerunder these conditions may thenbe found by adding the length ofthe rod to the difference in heightof the top of the rod and the topof the meniscus, as read on a verti-cal scale. These readings may beconveniently and accurately madewith a reading… … BAROMETRIC MEASUREMENTS 73 The Fortin Barometer.—This well-known and very prac-tical form of barometer is shown in Fig. 20. The barometertube, which tapers to a small opening at its lower end, pro-jects well into a cistern, the construction of which is thecharacteristic feature of the in-strument.…
Physics · Mechanics
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