Scientific amusements . Molecular attraction. as the tube is wetted with the liquid or not. For instance,water, as we have said, will be higher in the tube andconcave in form ; but mercury will be depressed below theoutside level, and convex, because mercury will not adhereto glass. When the force of cohesion to the sides of thetube is more than twice as great as the adhesion of the Molecular attraction. 121 particles of the liquid, it will rise up the sides, and if theforces be reversed, the rounded appearance will follow.This accounts for the convex appearance, or meniscus,in the column of m
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Scientific amusements . Molecular attraction. as the tube is wetted with the liquid or not. For instance, water, as we have said, will be higher in the tube andconcave in form ; but mercury will be depressed below theoutside level, and convex, because mercury will not adhereto glass. When the force of cohesion to the sides of thetube is more than twice as great as the adhesion of the Molecular attraction. 121 particles of the liquid, it will rise up the sides, and if theforces be reversed, the rounded appearance will follow.This accounts for the convex appearance, or meniscus, in the column of mercury in a barometer. Amongst the complicated experiments to demonstrate. 4