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These latter machines have not attained to any noteworthy degree of success at least they have not yet done either much good or much harm to the human race; but the former the "kettles" and the "armour," in other words, the "diving-bells" and "dresses" have attained to a high degree of perfection and efficiency, and have done incalculable good service.
those ants which, represent the inspectors of public works in the largest cities, those aquatic argyronetes which manufacture diving-bells, without having ever learned the mechanism; those fleas which draw carriages like veritable coachmen, which go through the exercise as well as riflemen, which fire off cannon better than the commissioned artillerymen of West Point?
In another, the ground was cumbered with rusty iron monsters of steam-boilers, wheels, cranks, pipes, furnaces, paddles, anchors, diving-bells, windmill-sails, and I know not what strange objects, accumulated by some speculator, and grovelling in the dust, underneath which having sunk into the soil of their own weight in wet weather they had the appearance of vainly trying to hide themselves.
"They do, child," said Captain Kittridge; "they have diving-bells, and men go down in 'em with caps over their faces, and long tubes to get the air through, and they walk about on the bottom of the ocean." "Did you ever go down in one, father?" "Why, yes, child, to be sure; and strange enough it was, to be sure.
Hence, if we are to preserve the life of our fly, we must send fresh air down to it. The first diving-bells were made so large that the air contained in them sufficed for a considerable period an hour or more. When this air had lost its life-sustaining qualities, the bell had to be drawn up and the air renewed.
The diver having very naturally refused, Eads on the spot set himself a precedent which, during his after life, he never broke, saying that he would not ask an employee to go where he would not trust himself, he got inside his hogshead and was lowered into the river. His assistants were unused to managing diving-bells, and when they came to haul him up the derrick got out of order.
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