 | Benjamin Martin - 1755 - 386 pàgines
...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... | |
 | John Pinkerton - 1804 - 694 pàgines
...pressure is diminished, the mercury must fall. Upon the level of the surface of the earth, the limits of the height of the mercury in the tube above the surface of the mercury in the bason, is from 28 to 31 inches; a graduated scale is therefore placed against the tube from 28 to 31... | |
 | Isaac Dalby - 1806 - 526 pàgines
...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 pàgines
...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... | |
 | William Enfield - 1811 - 476 pàgines
...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... | |
 | James Smith - 1815 - 942 pàgines
...range may be 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,...of a barometer, is shown more at large by fig. 2, pi. III. The measurement of the inches is taken from the surface of the mercury in the basin ; but... | |
 | Jeremiah Joyce - 1815 - 282 pàgines
...the tube is called the standard altitude, which in this country fluctuates between 28 and 31 inches, and the difference between the greatest and least altitudes is called the scale of variation. Emma. Is the fluctuation of the mercury different in other parts of the worl d ? Father. Within and... | |
 | Jeremiah Joyce - 1815 - 446 pàgines
...the standard altitude, which in this country fluctuates between twentyeight and thirty-one inches, and the difference between the greatest and least altitudes is called the scale of variation. Emma. Is the fluctuation of the mercury different in other parts of the world : Father. Within and... | |
 | Jeremiah Joyce - 1815 - 680 pàgines
...the standard altitude, which in this country fluctuates between twentyeight and thirty-one inches, and the difference between the greatest and least altitudes is called the scale of variation. Emma. Is the fluctuation of the mercury different in other parts of the world • Father. Within and... | |
 | William Nicholson - 1819 - 370 pàgines
...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...between the greatest and least altitudes is called the limit or scale of variation. The mercury in the barometer tube will subside, till the column be equivalent... | |
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The height of the mercury in the tube above the surface of the mercury in the basin... 
