| 1829 - 906 lapas
...is obvious that the boiler, continually revolving, requires but little water, say from ^th to Jjth of its capacity, thus leaving almost the whole of...very long time to get up the steam, and at a great expense of fuel. " The danger of bursting, in the common boiler, from being unequally heated, and from... | |
| Luke Hebert - 1830 - 378 lapas
...water is forced, whilst from the other it passes into the boiler, through its gudgeon, as from live heater. These tubes are kept in their places by resting...water, being comparatively nothing, the danger is proportionably decreased. " What we claim as new, in the foregoing specification, as being of our inventions,... | |
| Ebenezer Cobham Brewer - 1848 - 498 lapas
...deep bed of water, than a shallow one. Q. Why if SEA-WATER BARELY FROZEN ? A. 1st Because the mass of water is so great, that it requires a very long time to cool the whole volume down to 42 degrees : 2ndly The ebb and flow of the sea interfere with the... | |
| John Henry Pepper - 1851 - 640 lapas
...deep bed of water than a shallow one. 1623i Why is sea-water rarely frozen ? A. 1st. Because the mass of water is so great that it requires a very long time to cool the whole volume down to 38° ; 2d. The ebb and flow of the sea interfere with the cooling influence... | |
| David Ames Wells - 1857 - 334 lapas
...least 42°, but the air 32°, or even less. ' 13O7 Why is sea water rarely frozen t 1. Because the mass of water is so great, that it requires a very long time to cool the whole volume down to forty degrees ; 2. The ebb and flow of the sea interfere with the cooling... | |
| Robert Evans Peterson - 1857 - 332 lapas
...bed of water than a shallow one. 1569. Q. Why is sea-water rarely frozen ? A. 1st. Because the mass of water is so great, that it requires a very long time to cool the whole volume down to forty-two degrees. 3d. Salt water never freezes till the surface is cooled... | |
| David Ames Wells - 1859 - 344 lapas
...least 42°, but the air 32°, or even less. 1307 Why is sea water rarely frozen ? 1. Because the mass of water is so great, that it requires a very long time to cool the whole volume down to forty degrees ; 2. The ebb and flow of the sea interfere with the cooling... | |
| David Ames Wells - 1859 - 344 lapas
...least 42°, but the air 32°, or even less. 1307 Why is sea water rarely frozen* 1. Because the mass of water is so great, that it requires a very long time to cool the whole volume down to forty degrees ; 2. The ebb and flow of the sea interfere with the cooling... | |
| Ebenezer Cobham Brewer - 1864 - 506 lapas
...deep bed of water than a shallow one. Q. Why is SEA-WATER RARELY FROZEN ? A. 1st Because the mass of water is so great, that it requires a very long time to cool the whole volume down to 42 degrees : 2dly TLe ebb and flow of the sea interfere with the... | |
| David Ames Wells - 1874 - 340 lapas
...least 42°, but the air 32°, or even less. 1307 Why is sea water rarely frozen ? 1. Because the mass of water is so great, that it requires a very long time to cool the whole volume down to forty degrees; 2. Ihe ebb and flow of the sea interfere with the cooling... | |
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