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Principles and Operation of Differential Fluid Meters

Richards, E. Curtis

Published by The Brown Instrument Company, a division of Minneapolis-Honeywell Regulator, Co, Philadelphia, 1947
Condition: Good + Hardcover
From Ground Zero Books, Ltd. (Silver Spring, MD, U.S.A.)

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x, 117, [1] pages. Illustrations (photographs, diagrams, tables). Flow Meter Data Sheet. Approximation tables. Cover has some wear and soiling, with some edge wear. Flow measurement is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive-displacement flow meters accumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow measurement methods rely on forces produced by the flowing stream as it overcomes a known constriction, to indirectly calculate flow. Flow may be measured by measuring the velocity of fluid over a known area. The contents of this book were published as a result of experience gained from over a decade of training and developing applications and service engineers in The Brown Instrument Company Service Training School. They are a condensation and development of materials used by the instructors with the intent of giving a student knowing little about the metering field a firm basis on which to build. Brown Instrument Company was a U.S. firm known for high-quality instruments (such as pyrometers, thermometers, hygrometers, tachometers, pressure gauges, flow meters, ammeters, and voltmeters) and industrial controls. The company was founded in 1857 in Philadelphia by Edward Brown, inventor of the first pyrometer of American design. In 1934, the firm became a division of Honeywell. The company was a large employer in North Philadelphia during most of the 20th century. A large brick factory building across Windrim Avenue from Wayne Junction was a principal Brown Instrument Company building. A 1921 catalog mentions laboratories here. The Wayne Avenue fašade still has "Brown Instrument Co" relieved into the concrete. A Google Book search for "Brown Instrument" "Wayne Ave" shows multiple addresses for the company on the 4400 and 4500 blocks of Wayne Ave, which straddle Wayne Junction. Another search result from 1915 mentions 311 Walnut St. Across the regional rail tracks from Fern Rock Transportation Center there is another old factory building topped by a sign marked "Honeywell - Brown Instrument Division". The firm later moved to Fort Washington, Pennsylvania. Honeywell's automation and control businesses still have a campus there, although the Brown Instrument name has been retired. Stated First Edition. Presumed first printing. Bookseller Inventory # 72330

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Bibliographic Details

Title: Principles and Operation of Differential ...

Publisher: The Brown Instrument Company, a division of Minneapolis-Honeywell Regulator, Co, Philadelphia

Publication Date: 1947

Binding: Hardcover

Book Condition: Good +

Edition: 1st Edition

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Founded and operated by trained historians, Ground Zero Books, Ltd., serves the book collector, the scholar, and institutions. We focus on the individual, and pride ourselves on our personal service. Please contact us with your wants, as we have many books not yet listed in our database.

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Books, Ltd., is owned & operated by R. Alan Lewis & Lynne Haims.


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