 | Thomas Gill (patent-agent) - 1826 - 440 pagine
...and another upon a gravel walk, or the bare soil, we shall find the temperature of the former.many degrees below that of the latter. The fibrous texture,...situations than in those which are wholly exposed. There are many independent circumstances which modify the effect of this action, such as the state... | |
 | John Frederic Daniell - 1827 - 200 pagine
...degrees warmer than surrounding unsheltered parts, and it is well known to gardeners that less clew and frost are to be found in such situations than in those which are wholly exposed. There are many independent circumstances which modify the effects of this action, such as the state... | |
 | John Lindley - 1840 - 448 pagine
...texture of the grass is favourable to the emission of the heat, but the dense surface of the gravel seems to retain and fix it. But this unequal effect will...situations, than in those which are wholly exposed." (Hort. Trans., vi. 8.) These laws plainly direct us to the means we are to employ to moderate atmospherical... | |
 | John Frederic Daniell - 1845 - 456 pagine
...under the protection of a tree or hedge, will generally be found, on a clear night, to be 8° or 10° warmer than surrounding unsheltered parts, and it...situations than in those which are wholly exposed. There are many independent circumstances which modify the effects of this action, such as the state... | |
 | John Claudius Loudon - 1849 - 788 pagine
...disturbed in any substance which is not placed in the clear aspect of the sky. A portion of a grass plat under the protection of a tree or hedge will generally...situations than in those which are wholly exposed. There are many indejx-ndent circumstances which modify the effects of this action, such as the state... | |
 | John Lindley - 1855 - 662 pagine
...texture of the grass is favourable to the emission of the heat, but the dense surface of the gravel seems to retain and fix it. But this unequal effect will...situations, than in those which are wholly exposed." (Hort. Trans., vi. 8). This very important subject has received further explanation from a writer,... | |
 | John Lindley - 1855 - 636 pagine
...balance of temperature will not be disturbed in any substance which is not placed SOLAR RADIATION. 195 in the clear aspect of the sky. A portion of a grass-plat...situations, than in those which are wholly exposed." (Hort. Trans., vi. 8). This very important subject has received further explanation from a writer,... | |
 | 1828 - 522 pagine
...effects directly ensues. — " A portion of grass-plat," says Mr. Daniell in his Meteorological Essays, " under the protection of a tree or hedge will generally...be found in such situations than in those which are freely exposed." — Dr. Macculloch in noticing the comparative healthiness of ancient and modern Rome,... | |
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... course, and return as much to the radiating body as it emits. The intervention of more substantial obstacles will, of course, equally prevent the result, and the balance of temperature will not be disturbed in any substance which is not placed in... 