This is a frost-proof disc water meter with serial number 1,193,509 that fit a ⅝” pipe, and that was made by the Thomson Meter Company in Brooklyn, New York, probably in the 1920s. John Thomson, a ...
Disc meter made by the Hersey Manufacturing Company in Boston, Mass. Hersey introduced the form in 1919, and described it as a “positive displacement meter of the nutating type” that was “adapted for ...