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Author: Ralph Trenton Day
Source: 1965 Western Gas Measurement Short Course
Year Published: 1965
Abstract: Thispaper will be confined to the operation and maintenance of an instrument called a Calorimeter which determines the heating value of gaseous fuels in units called British Thermal Units, and hereafter referred to as B.T.U.s. One B.T.U. being the quantity of heat that must be added to one avoirdupois pound of pure water to raise its temperature one degree fahrenheit, under standard pressure (30 Hg, (? 32F) and standard temperature eOF. A standard cubic foot of gas being a quantity of gas that at a base temperature and pressure will fill a space of one cubic foot when in equilibrium with water.