Manometer
Legal definition for Indian law research
Definition
An instrument for measuring the tension or elastic force of gases steam etc constructed usually on the principle of allowing the gas to exert its elastic force in raising a column of mercury in an open tube or in compressing a portion of air or other gas in a closed tube with mercury or other liquid intervening or in bending a metallic or other spring so as to set in motion an index a pressure gauge See Pressure and Illust of Air pump
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