Bimetal thermometer in polished oder chromed brass case, diameter 165 mm.Mineral glass cover. - with two scales °C and °F.- measuring range -35 bis +55 °C and -30...130 °C- Graduation 1 °C and 1 °F
Synthetic hygrometer combined with bimetallic thermometer to measure indoor climate. The room climate is in the optimum range when the hands cross over the marked field. Stainless steel case. Diameter 100 mm.