Watertight

Definition and stakes

John Bernard Walker,  An Unsinkable Titanic (1912)

“ It sounds like a truism to say that a watertight bulkhead must be watertight; yet it is a fact that only in the navy are the proper precautions taken to test the bulkheads and make sure that they will not leak when they are subjected to heavy water pressure. Before a ship is accepted by the government, every compartment is tested by filling it with water and placing it under the maximum pressure to which it would be subjected if the ship were deeply submerged. ”
Source: Wikisource

The True Story Book

“ From rock to rock the stream was running a white, furious, rushing torrent, and the little boat tugging and jibbing on her chain, and swinging and bobbing upon the top of the froth, like the leaves which danced upon the eddy. Dreadnought had heard the sound of the river, and knew what there was at work before us. The boat was moored near the throat of the pool, in the back-water of a little bay, now entirely filled with froth and foam up to the gunwale of the coble, which was defended by a sharp point of rock, from whose breakwater the stream was thrown off in a wild shooting torrent. ”
Source: Gutenberg

Alexander Russell Bond,  ../../ (1913)

“ Porter, “Stop and think about it a moment. Which is heavier, sand or water? Why should this boat sink if we swap a load of sand for a load of water? As the water comes in, the sand falls out, and the boat, relieved of the weight of the sand, actually rises ten feet higher out of the water,”
When they were “cracking” the bins, the sand sank a trifle, but presently the worm-shafts began to turn again, and, out of troughs at each side, there was a rush of water. The sand sank rapidly, and melted away under the stream.
”
Source: Wikisource

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