 | Royal Society (Great Britain) - 1838 - 538 Seiten
...expression is the mean refraction corrected in the manner usually practised by Astronomers. If we assume that the temperature of the mercury in the barometer is the same with that of the air, this term will be equal to 1 ___ ip _ i p_ 1 + ft (r - 50) ' T-50 ' 30 ~" 1 +... | |
 | William Henry Besant - 1859 - 294 Seiten
...It must also be noticed that we have assumed the temperature of the mercury in the barometer to be the same as that of the air surrounding it; but in...in the same place to acquire the temperature of the air around it. The temperature of the mercury can, however, be observed by a thermometer the bulb of... | |
 | William Henry Besant - 1867 - 324 Seiten
...It must also be noticed that we have assumed the temperature of the mercury in the barometer to be the same as that of the air surrounding it ; but in...in the same place to acquire the temperature of the air around it. The temperature of the mercury can, however, be observed by a thermometer the bulb of... | |
 | Robert Andrews Millikan - 1903 - 250 Seiten
...This observation is made by means of the cathetometer (see below). It is evident, therefore, that if the temperature of the mercury in the barometer is the same as that of the mercury in AB, then P, expressed in centimeters of mercury, is equal to (H—D). If the two temperatures... | |
 | Robert Andrews Millikan - 1903 - 252 Seiten
...is made by means of the cathetometer (see below). It is evident, therefore, that if the ttmperatnre of the mercury in the barometer is the same as that of the mercury in AB, then P, expressed in centimeters trf-" mercury, is equal to \H— j5). If the two temperatures... | |
 | Royal Society (Great Britain) - 1838 - 542 Seiten
...expression is the mean refraction corrected in the manner usually practised by Astronomers. If we assume that the temperature of the mercury in the barometer is the same with that of the air, this term will be equal to 1 ip _ ip 1 + ft (r - 50) ' T - 50 ' 30 -- ] + c (T... | |
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... kind is given in Lindenau's Barometric Tables, constructed on the supposition that the temperature diminishes in harmonic progression through a series of heights increasing in arithmetic progression. It must also be noticed that we have assumed the... 