Compare with
barometer and
pressure .A unit of
pressure , defined so that 760 Torr is exactly 1
atmosphere . A Torr is equivalent to 1 mm Hg on
barometer readings taken at 0°C; at other temperatures, the conversion from mm Hg to Torr is approximately p(Torr) = p(mm Hg) × (1 - 1.8×10-4t), where t is in °C.
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