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Eureka a system that measures water pressure and volumetric supplyt. From the differential amplifier, to the clock that drives recorder drum and integrator barrel. The clock fitted is so you can record real-time measurements. Both chart recorder and integrator are driven off the pulley of the differential amplifier. One to a pen, the other to move the on-off period for the accumulator that makes up the gallon meter.
And there we have it, think about what this website has allowed you to do! Divide & conquer. Why not learn about some of the projects or about other meters recorded?
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