| Subject | English | German |
| opt. | hypsometer system | Siedethermometersystem (in the hypsometer system pressure changes are detected by measuring the temperature of a boiling liquid, e.g. toluene, by suspending a sensing element, e.g. a thermistor, in the vapour above the liquid) |
| opt. | hypsometer system | Hypsometersystem (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) |
| tech. | hypsometer thermometer | Siedewaermegradmesser |