This is a compound water meter that fit a 2” pipe. The Pittsburgh Meter Company introduced the Keystone meter in 1901, and the Pittsburgh Equitable Meter Company was still producing it in the late ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback