Brass Ships Wheel Thermometer and Hygrometer Instrument Gauge

This beautiful high quality brass nautical Thermometer and Hygrometer combination instrument measuring temperature and relative humidly. Is in the shape of a ships wheel with a glass covering to protect the instruments and has a notch on the back to hang either in the home or if outside there is also the ability to screw onto any outside surface area. 12 cm x 12 x cm x 5 cm deep  FREE SHIPPING

Hygrometer measures the relative air humidity. The most suitable air humility level for living rooms is between 50% and 75 % at a temperature of approx 21 degrees or 70 F.  

The instrument has been accurately calibrated before leaving the factory.  You can adjust both the thermometer and hygrometer if needed.