1 power-regulated socket,  2 laboratory heater for water and sand,  3 psychrometer to determine air humidity,  4 gas pressure thermometer,  5 bimetal thermometer,  6 vacuum flask,  7 mercury thermometer,  8 digital display, thermocouple type K,  9 digital display, thermistor (NTC),  10 digital display, PT100,  11 multimeter