 | 1866 - 632 páginas
...readers with what happens when heat waves pursue their way unabsorbed, reminds them that a joint of meat might be roasted before a fire, the air around the joint being cold as ice. " The air on high mountains," he adds, " may be intensely cold, while a burning sun is overhead. The solar rays... | |
 | John Tyndall - 1868 - 560 páginas
...no motion of heat is imparted, as we have seen in the u case of the air thermometer. A joint of meat might be roasted before a fire, the air around the joint being cold as ice. The air on high mountains maybe intensely cold, while a burning sun is over head ; the solar rays which, striking... | |
 | Edmund Saul Dixon - 1868 - 816 páginas
...independent of the warmth of the surrounding air. Professor Tyndall tells us that — " A joint of meat might be roasted before a fire, the air around the joint being cold as ice." The tin reflector and the Dutch oven do more than keep off cold currents of air ; they radiate back upon... | |
 | 1870 - 1136 páginas
...entire radiation passes through it almost without any sensible absorption. Consequently the pitch on the side of the ship may be melted, or the bulb of the...before a fire, the air around the joint being cold as ice"J. The air is cooled by contact with the snow-covered ground, but is not heated by the radiation... | |
 | Joseph Beete Jukes - 1872 - 830 páginas
...radiation passes through it almost without any sensible absorption. Consequently, the pitch on the side of the ship may be melted, or the bulb of the...while the surrounding air remains intensely cold. The air is cooled by contact with the snowcovered ground, but is not heated by the radiation from the... | |
 | 1873 - 584 páginas
...and we huve only to withdraw into perfect shade, to feel the chill of the atmosphere. A joint of meat might be roasted before a fire, the air around the joint being cold as ice. If you light a fire in a large room it is not the fire which immediately warms the air in that room.... | |
 | 1873 - 740 páginas
...and we have only to withdraw into perfect shade, to feel the chill of the atmosphere. A joint of meat might be roasted before a fire, the air around the joint being cold as ice. If you light a fire in a large room it is not the fire which immediately warms the air in that room.... | |
 | John Tyndall - 1873 - 582 páginas
...we have seen in the case of the air-thermometer. A joint of meat might be roasted before a. FIG. 64. fire, the air around the joint being cold as ice. The air on high mountains may be intensely cold, while a burning sun is overhead ; the solar rays which, striking... | |
 | John Tyndall - 1881 - 572 páginas
...we have seen in the case of the air-thermometer. A joint of meat might be roasted before a FIG. 34 fire, the air around the joint being cold as ice. The air on high mountains may be intensely cold, while a burning sun is overhead ; the solar rays which, striking... | |
 | Archibald Geikie - 1882 - 996 páginas
...entire radiation passes through it almost without any sensible absorption. Consequently the pitch on the side of the ship may be melted, or the bulb of the...while the surrounding air remains intensely cold. The air is cooled by contact with the snow-covered ground, but is not heated by the radiation from... | |
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Perfectly dry air seems to be nearly incapable of absorbing radiant heat. The entire radiation passes through it almost without any sensible absorption. Consequently the pitch on the side of the ship may be melted, or the bulb of the thermometer raised... 
