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Title: Development Of Orifice Meter Standards Past - Present - Future
Author: Harry P. Bean
Source: 1986 International School of Hydrocarbon Measurement
Year Published: 1986
Abstract: It is difficult to trace the first commercial uses of orifice meters. Thomas R. Weymouth describes making a thin plate orifice meter installation in 1904 using thick flanges drilled for pressure taps just like our present flange taps. This meter was used to determine the fuel gas consumption at a natural gas compressor station at Murraysville, Pa. He used a coefficient of discharge of 0.6 assumed from the hydraulic data he remembered from his 1895 college days which, it turns out, wasnt far off. Obviously, the academic community was aware of the device as a flow measurement technique well before this century.

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