a musical instrument utilized for calculating pressure of fluids and fumes.
An instrument to measure pressure in a fluid, specially a double-legged fluid line gauge used to gauge the difference between the pressures of two fluids.
An instrument for measuring the tension or elastic force of fumes, vapor, etc., constructed generally regarding concept of allowing the fuel to exert its flexible force in increasing a column of mercury in an open pipe, or in compressing a portion of air or other gasoline in a closed pipe with mercury or any other fluid intervening, or in flexing a metallic or other spring in order to set in motion an index; a pressure gauge. See pressure, and Illust. of air pump.
An instrument for determining and showing the elastic force of fumes or vapors.
In physiology, a musical instrument utilized for deciding blood-pressure.
a pressure gauge for researching pressures of a gas