 | Royal Society (Great Britain) - Antarctica - 1839 - 94 pages
...upright in the left hand, and the air will ascend to the root of the thermometer-tube. Then, by alternate screwing and unscrewing the screw with the right hand,...When it is needed to empty, cleanse, and refill the instrument, liquid must first be forced up into the ball, so as to compress the air in it. On warming... | |
 | Royal Society (Great Britain). Committee of Physics and Meteorology - Geomagnetism - 1840 - 156 pages
...possess great interest. The surface temperature of the water of the sea or of rivers may be conveniently obtained by taking up a bucket-full of water and stirring...till the liquid retreats to the zero of the scale. 61 in. 'Hi , liquid must first be forced up into the ball, so as to compress the air in it. On wanning... | |
 | John Frederic Daniell - Meteorology - 1845 - 456 pages
...the immediate solar influence, and therefore that the rise in the shade must be subtracted from it. To use the instrument, examine first whether there...When it is needed to empty, cleanse, and refill the instrument, liquid must first be forced up into the ball, so as to compress the air in it. On warming... | |
 | Ludwig Friedrich Kämtz, Charles Martins, Léon Lalanne - Atmosphere - 1845 - 666 pages
...entirely evacuated from the cylinder, and the latter, as well as the whole stem of the thermometer -tube, is full of the liquid in an unbroken column. Then,...When it is needed to empty, cleanse, and refill the instrument, liquid must first be forced up into the ball, so as to compress the air in it. On warming... | |
 | Ludwig Friedrich Kämtz, Charles Martins, Léon Lalanne - Atmosphere - 1845 - 670 pages
...evacuated from the cylinder, and the latter, as well as the whole stem of the thermometer-tube, is full nf the liquid in an unbroken column. Then, holding it...When it is needed to empty, cleanse, and refill the instrument, liquid must first be forced up into the ball, so as to compress the air in it. On warming... | |
 | John Frederick William Herschel - Life sciences - 1851 - 572 pages
...it will always be practicable to drive the air out of the cylinder into the ball, and suck down the liquid, if any, from the ball, to supply its place,...When it is needed to empty, cleanse, and refill the instrument, liquid must be first forced up into the ball, so as to compress the air in it. On warming... | |
 | John Frederick William Herschel, Robert Main - Science - 1859 - 496 pages
...it will always be practicable to drive the air out of the cylinder into the ball, and suck down the liquid, if any, from the ball, to supply its place,...till the liquid retreats to the zero of the scale. end, the wax will be forced out, and the screw being then totally unscrewed, and the liquid poured... | |
 | Great Britain. Admiralty - 1871 - 424 pages
...it will always be practicable to drive the air out of the cylinder into the ball, and suck down the liquid, if any, from the ball, to supply its place,...When it is needed to empty, cleanse, and refill the instrument, liquid must be first forced up into the ball, so as to compress the air in it. On warming... | |
 | John Frederick William Herschel, Robert Main - Scientific expeditions - 1871 - 420 pages
...it will always be practicable to drive the air out of the cylinder into the ball, and suck down the liquid, if any, from the ball, to supply its place,...When it is needed to empty, cleanse, and refill the instrument, liquid must be first forced up into the ball, so as to compress the air in it. On warming... | |
 | Physics - 1839 - 1198 pages
...ball, to supply its place, till the air is entirely evacuated from the cylinder, and the latter, ¿ well as the whole stem of the thermometer-tube, is...unbroken column. Then, holding it horizontally, face up. wards, slowly and cautiously unscrew the screw, till the liquid retreats to the zero of the scale.... | |
| |
Then, by alternate screwing and unscrewing the screw with the right hand, as the case may require, it will always be practicable to drive the air out of the cylinder into the ball, and suck down liquid, if any, from the ball, to supply its place, till... 