A laboratory manual in physics, to accompany Black and Davis' "Practical physics for secondary schools," (1913)
Black, Newton Henry, 1874- [from old catalog] · New York, The Macmillan company · leaf 44
tion ofblue vitriol (CuS04).Meter stick. Support the T-tube (Fig. 16) at such aheight that the ends of the glass tubes willnearly reach the bottoms of the tumblers.Suck out some of the air from the tubesuntil the water rises about 60 cm. and thenclose the screw pinchcock (P). Observecarefully the… … 30 LABORATORY MANUAL up the two columns, and the pressure is just balanced by-pressure of the liquid in the tubes plus the air above. Thatis, each liquid column exerts the same pressure at its base.It is also evident that this pressure depends on the heightand density of the liquid, so the liquid…
Physics
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