File:Regulator valve & pressure gauge.JPG

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Public domain This work has been released into the public domain by its author, CambridgeBayWeather. This applies worldwide.

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Close up of regulator valve and pressure guages as used to inflate ceiling balloons. The closer of the gauges shows the helium flowing to the balloon. The further gauge shows the amount of helium remaing in the tank.

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current04:53, 4 August 2005Thumbnail for version as of 04:53, 4 August 20051,632 × 1,232 (641 KB)CambridgeBayWeather (talk | contribs){{PD-user|CambridgeBayWeather}} Close up of regulator valve and pressure guages as used to inflate ceiling balloons. The closer of the gauges shows the helium flowing to the balloon. The further gauge shows the amount of helium remaing in the tank. [[Ca

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