 To lessen this the bulbs were first made with black glass ; moreover, originally the degree marks were put upon the supporting slab, then they were put upon the tubes of the thermometers. It was then found that in a position where two thermometers with...  Symons's Monthly Meteorological Magazine - Page 391884Full view - About this book
 | Sir Norman Lockyer - 1885 - 916 pages
...solar radiation thermometers, the successive stages in the assumed perfecting of these instruments have been as follows : — An ordinary mercurial thermometer...of air left in the so-called vacuum. The next stage i was that, inasmuch as black glass had a bright surface, there i was still much light reflected, and... | |
 | Sir Norman Lockyer - 1885 - 790 pages
...were exposed to the sun, but one was exposed to more wind than the other, the indicated temperatares varied greatly. To avoid this it was proposed that...vacuum. The next stage was that, inasmuch as black glass had a bright surface, there was still much light reflected, and therefore the surface was dulled with... | |
 | 1885 - 624 pages
...found that in a position where two thermometers with similarly coated bulbs were exposed to the sunbut one was exposed to more wind than the other — the...inserted in a glass shield exhausted of air. Various forme of mounting have been adopted ; but the chief efforts have been expended in determining the influence... | |
 | Royal Meteorological Society (Great Britain) - 1885 - 410 pages
...that in a position where two thermometers with similarly coated bulbs were placed in the sunshine, but one was exposed to more wind than the other, the...that the thermometer should be inserted in a glass envelope exhausted of air. Various forms of mounting have been adopted, but the chief efforts have... | |
 | Royal Meteorological Society (Great Britain) - 1885 - 418 pages
...that in a position where two thermometers with similarly coated bulbs were placed in the sunshine, but one was exposed to more wind than the other, the...that the thermometer should be inserted in a glass envelope exhausted of air. Various forms of mounting have been adopted, but the chief efforts have... | |
 | 1886 - 616 pages
...solar radiation thermometers, the successive stages in the assumed perfecting of these instruments have been as follows : — An ordinary mercurial thermometer...vacuum. The next stage was, that inasmuch as black glass had a bright surface there was still much light reflected, and therefore the surface was dulled with... | |
 | Sir Norman Lockyer - 1885 - 682 pages
...degree marks were put upon the supporting slab, then they were put upon the tubes of the thermometer?. It was then found that in a position where two thermometers...of air left in the so-called vacuum. The next stage j was that, inasmuch as black glass had a bright surface, there i was still much light reflected, and... | |
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