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Title: Operation Of Roots Transfer Prover
Author: Ken Polen Dick Nancarrcw
Source: 1969 Western Gas Measurement Short Course
Year Published: 1969
Abstract: In one of the preceding lectures, Mr. H. Judd of Northwest Natural Gas Company related his companys experience with the transfer prover after two years of use. The purpose of the shop presentation that followed was to (1) explain in more detail how the prover worked, and (2) to show the new one-ton van truck that Northwest Natural Gas had built for transporting the prover. Questions most often asked were: 1. Question: How much investment did Answer: About 5,000 in each. 2. Question: Answer: we have in the prover and truck? 3. Question: Answer: In comparing our transfer prover to our 20 Bell in a number of tests the Bell Prover gave proof results about .4 of 1% faster or higher than did the transfer prover. In other words, if the Bell Prover showed a meter to be .2 of 1% fast, the Transfer Prover would show the same meter to be .2 of 1% slow, on an average

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