 | Adolphe Ganot - Physics - 1865 - 518 pages
...bulb is therefore heated, when the air within expands, and a portion escapes in bubbles through the mercury. On cooling, the pressure of the external...the tube hermetically sealed by means of a jet of flame urged by a blow-pipe. On cooling, the mercury descends to some point of the tube, as shown in... | |
 | Conrad Ludwig Hotze - Physics - 1871 - 188 pages
...thermometer, you notice that it consists of a glass tube with a bulb below. Both tube and bulb are closed. The bulb and a portion of the tube are filled with mercury. Above the mercury is a vacuum. The vacuum is obtained by heating the mercury to a very high degree... | |
 | William Garnett - Chemistry - 1878 - 236 pages
...be desired to take great care in the construction of the thermometer, this process is repeated until the bulb and a portion of the tube are filled with mercury when at the ordinary temperature, but in general a more expeditious process is adopted. A small portion... | |
 | Adolphe Ganot - Physics - 1881 - 550 pages
...bulb is therefore heated, when the air within expands, and a portion escapes in bubbles through the mercury. On cooling, the pressure of the external...the tube hermetically sealed by means of a jet of flame urged by a blow-pipe. On cooling, the mercury descends to some point of the tube, as shown in... | |
 | Adolphe Ganot - Physics - 1881 - 556 pages
...bulb is therefore heated, when the air within expands, and a portion escapes in bubbles through the mercury. On cooling, the pressure of the external...boils, thus filling the tube, when the funnel is melted ofl' and the tube hermetically sealed by means of a jet of flame urged by a blow-pipe. On cooling,... | |
 | William Garnett - 1884 - 274 pages
...be desired to take great care in the construction of the thermometer, this process is repeated until the bulb and a portion of the tube are filled with mercury when at the ordinary temperature; but in general a more expeditious process is adopted. A small portion... | |
 | Joel Dorman Steele - Physics - 1889 - 366 pages
...quantity of mercury through the tube into the buIb. By repeating this operation a few times, the buIb and a portion of the tube are filled with mercury....the tube hermetically sealed by means of a jet of flame urged by a blow-pipe. On cooling, the mercury descends to some point of the tube, as shown m... | |
 | Samuel Escue Tillman - Heat - 1889 - 174 pages
...thermometer is the mercurial. It consists of a capillary glass tube terminating in a bulb or reservoir. The bulb and a portion of the tube are filled with mercury. As the temperature varies the level of the mercury in the tube will rise or fall. These variations... | |
 | William Jago - Baked products industry - 1895 - 742 pages
...out of the tube ; the open end is then hermetically sealed by fusing the glass itself. At this stage the bulb and a portion of the tube are filled with mercury, the remainder of the tube being a vacuum, save for the presence of a minute quantity of mercury vapour.... | |
 | C. L. Hotze - 1897 - 388 pages
...thermometer, you notice that it consists of a glass tube with a bulb below. Both tube and bulb are closed. The bulb and a portion of the tube are filled with mercury. Above the mercury is a vacuum. This vacuum is obtained by heating the mercury to a very high degree;... | |
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... air and the smallness of the tube. The bulb is therefore heated, when the air within expands, and a portion escapes in bubbles through the mercury. On cooling, the pressure of the external atmosphere forces a quantity of mercury through the tube into... 
