Media for user: JamesBon92007
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What is that?
This device is intended for the approximate determination of the amount of air in the tank by touch. The scale is marked in fractions of tank filling: “4” means a full tank, “2” means half a tank.
That is cool. Do you know when it was made? I'm guessing those are in thousands?
Nicely done. I like how the music changed with the segments.
Back-pressure valve and digital pressure gauge to keep a pressure head on the filter tower.
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