| |||
| 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) | |||
| |||
| 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) | |||
