Archive image from page 268 of The depths of the ocean;. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic depthsofoceange00murr Year: 1912 PHYSICAL OCEANOGRAPHY 231 (E) is hinged on to the rod. In the left-hand figure the plate is tilted upwards, and it remains in that position while the C Scale Fig. 161.—Buchanan's Stopcock Water-Bottle. apparatus is being lowered. But as soon as it is pulled upwards the water presses against the plate, tilting it into the

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Archive image from page 268 of The depths of the ocean;. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic depthsofoceange00murr Year: 1912 PHYSICAL OCEANOGRAPHY 231 (E) is hinged on to the rod. In the left-hand figure the plate is tilted upwards, and it remains in that position while the C Scale Fig. 161.—Buchanan's Stopcock Water-Bottle. apparatus is being lowered. But as soon as it is pulled upwards the water presses against the plate, tilting it into the position shown in the middle figure ; the rod is then forced downwards,

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Photo credit: © Actep Burstov / Alamy / Afripics
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