 ... a graphical projection the law of diurnal increase and diminution of the solar radiation, which will thus readily become apparent, provided the perfect clearness of the sky continue, — an indispensable condition in these observations, the slightest...  A Complete Course of Meteorology - Página 549por Ludwig Friedrich Kämtz, Charles Martins, Léon Lalanne - 1845 - 598 páginasVista completa - Acerca de este libro
 | Royal Society (Great Britain) - 1839 - 94 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...of such a glass it may here be noticed that solar luilos are very frequently to be seen when the glare of light is such as to allow nothing of the sort... | |
 | Royal Society (Great Britain). Committee of Physics and Meteorology - 1840 - 156 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...light is such as to allow nothing of the sort to be perceived by the unguarded eye. It is, as observed, essential that the instrument be exposed a few... | |
 | Royal Society (Great Britain) - 1840 - 164 páginas
...slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. 64. To detect such haze or cirrus, a brown glass applied...light is such as to allow nothing of the sort to be perceived by the unguarded eye. It is, as observed, essential that the instrument be exposed a few... | |
 | John Frederic Daniell - 1845 - 456 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...light is such as to allow nothing of the sort to be perceived by the unguarded eye. It is, as observed, essential that the instrument be exposed a few... | |
 | John Frederick William Herschel - 1851 - 572 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...light is such as to allow nothing of the sort to be perceived by the unguarded eye. When a series is long continued in a good sun, the instrument grows... | |
 | Great Britain. Admiralty - 1871 - 424 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...frequently to be seen when the glare of light is such 1. Date and times of Observation. •, 1850, 30. 2. 0 5x Readings of the Instrument. 8. Change per... | |
 | John Frederick William Herschel, Robert Main - 1871 - 420 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...frequently to be seen when the glare of light is such 1. 2. 3. 4. 5. 6. Date and times of 0 Observ ation. -, 1850, 30. gx Readings of the Instrument. Change... | |
 | Alexander Ramsay - 1884 - 538 páginas
...perfect clearness of sky is indispensable, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...cirrus a brown glass applied before the eye is useful. He gives Forbes's actinometric observations at (Page 165) Brienz and Faulhorn ; these are local, but... | |
 | 1884 - 472 páginas
...perfect i Itarness of sky is indispensable, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect such haze or cirrus a brown gi.iss applied before the eye is useful. He gives Forbes's actinometric observations at (.Page 165)... | |
 | 1839 - 1198 páginas
...indispensable condition in these observations, the slightest cloud or haze over the sun being at once marked by a diminution of resulting radiation. To detect...light is such as to allow nothing of the sort to be perceived by the unguarded eye. It is, as observed, essential that the instrument be exposed a few... | |
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