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The scale goes from 0" Hg (atmospheric pressure) to 29.92" Hg (perfect vacuum). The second way to measure Hg is the Hg absolute (HgA). This measurement is the reverse of the Hg gauge. In this measurement, the gauge starts 29.92" Hg for atmospheric pressure, and 0" Hg is perfect vacuum.
Dec 21, 2020
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Jun 25, 2009 · To convert millibars (mb) to inches of mercury (in Hg), divide the millibar reading by 33.86: in Hg = mb / 33.86. You can either type in the ...
Inch of mercury (inHg and ″Hg) is a non-SI unit of measurement for pressure. It is used for barometric pressure in weather reports, refrigeration and ...
H. G. Wells : The Complete Novels (The Time Machine, The Island of Doctor Moreau.