Hoffritz Relative Humidity/Temperature Indicator West Germany Hair Hygrometer | eBay
Fischer: 1222-01, thermo-hygrometer for living climate, with indication of ideal climate values dependent on season and temperature, coloured areas for observing health room climate
Thermometer, hygrometer | FINE TOOLS
Hygrometer synthetic hair Ø 70mm, brand: TFA (Germany) | Hygrometers | Incubators & parts | OLBA EN