Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 105
96 PHYSICAL SCIENCE. water. Now mark with a thin rubber band the height of themercury in the outer branch of each of the U-tubes, and place … Fio. 63. a rubber band on each at the same distance above that whichmarks the surface of the mercury. Carefully insert the pistoninto the tube, and push it down until the mercury in one ofthe tubes reaches the upper band. 1. Where does the mercury stand in each of the other tubes ? 2. What has…
Physics
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