The Valve Gauge: A Physical Record
AN AUTOMATED PRESSURE MONITORING SYSTEM, MODEL VG-2000, MANUFACTURED BY ASHCROFT INC., SERIAL NUMBER 47-8921-3, INSTALLED AT MIDWEST CONSOLIDATED LOGISTICS WAREHOUSE, DES PLAINES, ILLINOIS, ON MARCH 14, 1999. On October 14, 2003, at 1:47 PM, the pressure in the main hydraulic system rose from 1800 PSI to 1950 PSI. The valve gauge was designed to register pressures between 0 and 3000 PSI, with a...
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