This disc water meter was made by the Federal Meter Corporation in East Orange, New Jersey. It has oil enclosed gears, a split case, and serial number 171,592. It fit a ⅝” pipe, and is somewhat smaller and lighter than the standard household model. Federal Meter, a subsidiary of the A.P. Smith Manufacturing Company, was in business from 1925 to 1945.
Ref: A.P. Smith Mfg. Co., Federal Meters (1937).
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