 | Adolphe Ganot, William Guy Peck - 1871 - 510 стор.
...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 стор.
...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 стор.
...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 - 1881 - 556 стор.
...uniform bore, upon one end of which a bulb is blown, and upon the other a funnel, as shown in Fig. 192. The funnel is nearly filled with mercury, which is...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 стор.
...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 - 1888 - 560 стор.
...uniform bore, upon one end of which a bulb is blown, and upon the other a funnel, as shown in Fig. 192. The funnel is nearly filled with mercury, which is...mercury descends to some point of the tube, as shown in O.ffe. Fig. 193, leaving a vacuum at the upper end. It ™ only remains to graduate it, and attach... | |
 | Joel Dorman Steele - 1889 - 366 стор.
...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 стор.
...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 стор.
...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 стор.
...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;... | |
| |
... 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... 
