| Benjamin Martin - 1755 - 386 pages
...which floats on the Surface of the Mercury, that it may rife and fall with it, and fo exaflly meafure the Height of the Mercury in the Tube above the Surface of that in the Bafon. For this Bardineter is open at Top, and communicates with the Receiver, fo that... | |
| Isaac Dalby - 1806 - 526 pages
...of a sliding vernier; the lowest division is numbered SB, and the highest 31, these are inches, and the height of the mercury in the tube above the surface of the mercury in the vessel at bottom is shown at all times in inches and parts of an inch. The tube with its scale, &c.... | |
| William Nicholson - 1809 - 716 pages
...of mercury. The tube and bason are fixed to a frame of wood, and suspended in a vertical situation. The height of the mercury in the tube above the surface of the mercury in the bason is called the standard altitude, and the difference between the greatest and least altitudes is called... | |
| John Ewing - 1809 - 672 pages
...barometer; when the mercury will subside into the bason, until it stands at the altitude of 29.5 inches in the tube, above the surface of the mercury in the bason, in a mean state of the atmosphere, leaving a perfect vacuum at the sealed end of the tube, called the... | |
| William Enfield - 1811 - 476 pages
...between 28 and 31 inches. A tube thus filled, and graduated from 28 to 31 inches, is called a barometer. The height of the mercury in the tube above the surface of the mercury in the bason is called the standard altitude, which, in this country, fluctuates between 28 and 31 inches ; and the... | |
| Samuel Vince - 1812 - 140 pages
...end be then immersed in a bason abed of the same fluid, the altitude at which the mercury will stand in the tube above the surface of the mercury in the bason, is between 28 and 31 inches. A tube thus filled is called a Barometer. PROP. LVII. The mercury is suspended... | |
| James Smith - 1815 - 942 pages
...considered as never exceeding three inches, and it seldom exceeds two inches and a half in any one year. The height of the mercury in the tube, above the surface of the mercury in the basin, is called the standard altitude ; and the difference between the greatest and least altitudes,... | |
| William Nicholson - 1819 - 376 pages
...of mercury. The tube and basin are fixed to a frame of wood, and suspended in a vertical situation. The height of the mercury in the tube above the surface of the mercury in the basin is called the standard altitude, and the difference between the greatest and least altitudes... | |
| William Nicholson - 1819 - 370 pages
...of mercury. The tube and basin are fixed to a frame of wood, and suspended in a vertical situation. The height of the mercury in the tube above the surface of the mercury in the basin is called the standard altitude, and the difference between the greatest and least altitudes... | |
| John Claudius Loudon, Edward Charlesworth, John Denson - 1829 - 528 pages
...to hold the tube quite upright, and measure, with the brass scale, the exact height of the column of mercury in the tube above the surface of the mercury in the cup, which will give the true height of the barometer at each station. I had but one tube, which I... | |
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