 | Adolphe Ganot, William Guy Peck - 1871 - 510 pages
...bulb is therefore heated, when the air within expands, and a portion escapes in bubbles through Ihc mercury. On cooling, the pressure of the external...the tube hermetically sealed by means of a jet of (lame urged by a blow-pipe. On cooling, the mercury descends to some point of the tube, as shown in... | |
 | Conrad Ludwig Hotze - 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 - 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... | |
 | 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 - 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....mercury descends to some point of the tube, as shown m Fig. 215, leaving a vacuum at the upper end. All that remains to be done is to graduate it, and attach... | |
 | Samuel Escue Tillman - 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 - 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;... | |
 | 1900 - 728 pages
...determined by the thermometer, which is a glass tube having a small bulb blown upon the lower end. The bulb and a portion of the tube are filled with mercury, the upper end being closed, after boiling the mercury, to expel the air. The tube is attached firmly to... | |
 | Charles Caspari - 1901 - 804 pages
...tube of uniform bore, hermetically sealed at the upper end and terminating l>elow in a bulb of glass. The bulb and a portion of the tube are filled with mercury (in some cases with colored alcohol or toluene), and the whole is provided with a graduated scale for... | |
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... is made to indicate its own temperature without possibility of mistake. Liquid Thermometers. In the most common form of thermometer, temperature is measured by the expansion of mercury in glass. On the end of a glass tube of very fine bore, a bulb... 
