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Title: Sizing And Application Of Rotary Meters
Author: G. L. Hanson
Source: 1977 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1977
Abstract: The first rotary positive displacement gas meters were built about 1920 by the PH & FM ROOTS Company and the Connersville Blower Company, both located In Connersville, Indiana. The two companies later joined to form Roots-Connersville Blower, and in 1966 the gas meter operation was re-named Dresser Measurement Division. The rotary gas meters manufactured by Dresser Measurement are known as ROOTS Meters. Rockwell International entered the market in the early 1960s with ci rotating vane design known as the Roto-Seal Meter and in the late 1960s, Singers American Meter Company introduced still another rotating vane design known as the CVM gas meter.