In Part 1 of this series, we covered the fundamental concepts and principles incorporated by flow meters along with various flow measurement methods used in mechanical flow meters. Part 2 covers the ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback