| 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... | |
| Adolphe Ganot - 1881 - 556 pages
...of the 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....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... | |
| Adolphe Ganot - 1888 - 560 pages
...of the 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....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 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 - 744 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... | |
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