Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : A. Miller · leaf 75
tageous for the jewellerto sell stones when the barometer is high, or when it is low ? (36) • A tube closed at both ends and 2-> inclies lung is halffilled with mercury, the remaining portion being occupied withair at atmospheric pressure. If the tube be placed in a verti-cal position with tlie… … If a glass be inverted, and witli its mouth horizontal bepressed do^^^l into a basin of water, it will be seen that thoughsome portion of water ascends into the glass, the greater partof the glass is without water. This is caused by the c< impression of the air, which preventsthe water from…
Hydrostatics
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