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Updated: May 21, 2025
The Pope should have anathematized the steam-engine. He should have cursed it after the approved pontifical fashion, in standing and in running, in watering and in coaling. He should have cursed it in the whole structure of its machinery, in its funnel, in its boiler, in its piston, in its cranks, and in its stopcocks.
The wagon concealed in a grove of pines, we took out the tanks one by one, and placed them beneath the ground-floor windows. The sashes were easily forced open, and raised enough to enable us to insert the rubber tubes connected with the iron reservoirs. At midnight everything was ready. I gave the word, and my assistants ran from tank to tank, opening the stopcocks.
Just then the whole crew returned on board, and the double outside door was closed. By this point the Nautilus was resting on a bed of ice only one meter thick and drilled by bores in a thousand places. The stopcocks of the ballast tanks were then opened wide, and 100 cubic meters of water rushed in, increasing the Nautilus's weight by 100,000 kilograms.
While Rollo and Jane were looking at this man, a boy came up for a drink. The man took one of the glasses from the little rack, and filled it by turning one of the stopcocks. When the boy had taken his drink and paid the money, the man wiped the glass with a towel which he kept for the purpose; and then, putting it back in its place on the rack, he went on tinkling his little bell.
Two generators sufficed, these being "nothing more than large tanks of wood, acid-proof inside, and of sufficient strength to resist the expansive action of the gas; they were provided with suitable stopcocks for regulating the admission of the gas, and with manhole covers for introducing the necessary materials."
"There," ordered Craig, "set the oxygen there," as he placed his own tank on the opposite side: Out of the tanks stout tubes led, with stopcocks and gages at the top. From a case under his arm Kennedy produced a curious arrangement like a huge hook, with a curved neck and a sharp beak.
A. The glass gauges are tubes affixed to the fronts of boilers, by the aid of which the height of the water within the boilers is readily ascertainable, for the water will stand at the same height in the tube as in the boiler, with which there is a communication maintained both at the top and bottom of the tube by suitable stopcocks.
In most ordinary stopcocks the plug is solid, but the little handle is hollow. What has been said above regarding care in heating and cooling glass rod applies with especial force here. It is usually best to wind the whole of the plug with several thicknesses of asbestos cord, leaving bare only the end where the handle is to be joined.
The pistons of the two cylinders are connected by rods, D, to opposite cranks on the shaft, E. This shaft, by means of bevel gear, F, works a revolving cylindrical valve, G, situated in a casing between the two cylinders. The lowest part of this casing is supplied with combustible gas and with air, in proportions capable of being regulated by stopcocks or valves.
Lead water pipes conducted the water through streets and into buildings. Bronze stopcocks governed the fountains, and bronze inlets and outlets regulated the supply at the marble baths. "The Pompeian plumbers used good material and did good work," commented a manufacturer after examining the plumbing.
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