 | Thomas Webster - 1855 - Liczba stron: 678
...of the air-pump with a body of oatmeal of a foot in diameter, and rather more than an inch deep, he froze a pound and a quarter of water contained in a hemispherical porous cup. The oatmeal, which is less hazardous than acid to those little used to experimenting, is easily dried... | |
 | Thomas Thomson - 1817 - Liczba stron: 514
...a body of dried oatmeal a foot in diameter, and rather more than one inch deep, I have since frozen a pound and a quarter of water contained in a hemispherical porous cup, and, though the room is warmer than before, the energy of absorption seems to be capable of maintaining... | |
 | Thomas Thomson - 1817 - Liczba stron: 516
...a body of dried oatmeal a foot in diameter, and rather more than one inch deep, I have since frozen a pound and a quarter of water contained in a hemispherical porous cup, and, though the room is warmer than before, the energy of absorption seems to be capable of maintaining... | |
 | Andrew Ure - 1821 - Liczba stron: 436
...inch deep, Professor Leslie froze a pound and a quarter of water, contained in a hemispherical poroas cup. Muriate of lime in ignited porous pieces, may...to procure a supply of ice, when the temperature of the air is many degrees above the freezing point. Not far from Calcutta, in large open plains, three... | |
 | 1821 - Liczba stron: 726
...With a body of this substance, a foot in diameter, and rather more than one inch deep, he has frozen a pound and a quarter of water, contained in a hemispherical porous cup ; and the absorption is capable of containing the state of congelation for a considerable time. When... | |
 | 1824 - Liczba stron: 884
...parched oatmeal. With a body of oatmeal of a foot in diameter, and rather more than an inch deep, he froze a pound and a quarter of water, contained in a hemispherical porous cup. The meal is easily dried and restored again to its action. In a hot climate, the exposure to the sun... | |
 | Samuel Frederick Gray - 1828 - Liczba stron: 1118
...parched oatmeal. With a body of oatmeal, of a foot in diameter, and rather more than an inch deep, he froze a pound and a quarter of water, contained in a hemispherical porous cup. The oatrmeal is easily dried, and restored again to its action ; in a hot climate, the exposure to... | |
 | Walter Scott - 1821 - Liczba stron: 726
...With a body of this substance, a foot in diameter, and rather more than one inch deep, he has frozen a pound and a quarter of water, contained in a hemispherical porous cup ; and the absorption is capable of containing the state of congelation for a considerable time. When... | |
 | Thomas Curtis - 1829 - Liczba stron: 828
...unskilful hands may be obviated by using oafneal, desiccated nearly to brownness before a kitchen fire, and allowed to cool in close vessels. With a body...to procure a supply of ice, when the temperature of the air is many degrees above the freezing point. Not far from Calcutta, in large open plains, three... | |
 | Thomas Curtis (of Grove house sch, Islington) - Liczba stron: 426
...kitchen fire, and allowed to cool in close vessels. With a body of this, a foot in diameter and an ihch deep, professor Leslie froze a pound and a quarter...to procure a supply of ice, when the temperature of the air is many degrees above the freezing point. Not far from Calcutta, in large open plains, three... | |
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Leslie froze a pound and a quarter of water, contained in a hemispherical porous cup. Muriate of lime in ignited porous pieces, may also be employed as an absorbent. Even mouldering trap or whinstone has been used for experimental illustration with success.... 
