
doi: 10.2172/4152561
A capacitance instrument is described that indicates the level of liquefied gas in a closed container. The instrument has been used to indicate and control the level of liquid nitrogen, hydrogen, and methane. (auth)
330, Nitrogen, Liquids, Pressure Vessels, Detection, Control, Levels, Gases, Engineering And Equipment, Instruments, Methane
330, Nitrogen, Liquids, Pressure Vessels, Detection, Control, Levels, Gases, Engineering And Equipment, Instruments, Methane
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