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| hypsometer system (in the hypsometer system pressure changes are detected by measuring the temperature of a boiling liquid by suspending a sensing element, e.g. a thermistor, in the vapour above the liquid) | |||
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| hypsometer system (in the hypsometer system pressure changes are detected by measuring the temperature of a boiling liquid by suspending a sensing element, e.g. a thermistor, in the vapour above the liquid) | |||
