This is a compound meter that joins a torrent meter, Model T, and a disc meter, Model FF. The Hersey Manufacturing Company introduced the form in 1914, and later described it as “a special meter in ...

This water meter combines a disc meter and a current meter. Ref: Gamon Meter Company ad in American City (1927). overall: 17 in x 10 in x 24 in; 43.18 cm x 25.4 cm x 60.96 cm ...