 Wells, in the pride of half knowledge, smiled at the means frequently employed by gardeners, to protect tender plants from cold, as it appeared to me impossible, that a thin mat, or any such flimsy substance, could prevent them from attaining the temperature...  The Quarterly Review - Pagina 94a cura di - 1815Visualizzazione completa - Informazioni su questo libro
 | John Frederic Daniell - 1845 - 456 pagine
...flimsy substance could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had...for the practice which I had before deemed useless." The power of emitting heat in straight lines in every direction, independently of contact, may be regarded... | |
 | john murray - 1845 - 722 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But, when I had...their heat to the heavens, I perceived immediately * just reason for the practice, which I had before deemed useless." He then ascertained by experiment... | |
 | Charles Tomlinson - 1847 - 132 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But, when I had...surface of the earth become, during a still and serene * Daniell's Meteorology. night, colder than the atmosphere, by radiating their heat to the heavens,... | |
 | Josiah Parkes - 1848 - 96 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had...the practice, which I had before deemed useless." He then ascertained by experiment that " A difference in temperature of some magnitude was always observed,... | |
 | Robert Hunt - 1851 - 502 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had learned that bodies on the surface of the 2u2 I earth become, during a still and serene night, colder than the atmosphere, by radiating their... | |
 | American Medical Association - 1853 - 930 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had...for the practice which I had before deemed useless." To obviate the uncomfortable and injurious effects of solar radiation during the day, an umbrella or... | |
 | 1854 - 394 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had...atmosphere, by radiating their heat to the Heavens, [ perceived immediately a just reason for the practice which I had before deemed useless, lieing desirous,... | |
 | 1854 - 720 pagine
...injured ; but when I learnt that bodies on the surface of the earth become often colder than the air, by radiating their heat to the heavens, I perceived...acquiring some precise information on this subject, I fixed perpendicularly, in the earth of a grass-plat, four small sticks, and over their upper extremities,... | |
 | 1854 - 534 pagine
...injured ; but when I learnt that bodies on the surface of the earth become often colder than the air, by radiating their heat to the heavens, I perceived...acquiring some precise information on this subject, I fixed perpendicularly, iu the earth of a grass-plat, four small sticks, and over their upper extremities,... | |
 | Thomas Young - 1855 - 804 pagine
...flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But, when I had...acquiring some precise information on this subject, I drove into the earth of a grassplat four slender sticks, in such a manner, as to make them rise six... | |
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