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Process Instruments Inc.
615 East Carson St.
Pittsburgh, PA 15203-1021
Phone: (412) 431-4600
Fax: (412) 431-3792
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History
The first Ring Balance meter was built in
Chicago, IL 1940.
Bought by Hagan and moved to Orrville OH.
Westinghouse bought Hagan in April 1, 1963 since that time over 50,000 meters were sold
& some of the first built meters are still working.
Click image to see larger overview |
Copyright© 1997-2006 by Process Instruments Inc. All rights reserved.
