Whirling Hygrometer H4 Thermometer Two models available depending on

Two models available depending on recording latitude

In many living rooms

Fits four single Maximum brass weather dials

Many anglers swear that their biggest catches are during the full moon and the new moon

Modes: Pressure and altitude measurement

Whirling Hygrometer H4 Thermometer Two models available depending onDescription Features Specification The Metcheck Whirling Hygrometer comprises of a moulded plastic case, collapsible plastic handle, two matching thermometers, plastic reservoir and cotton wick. The hygrometer comes complete with wet and dry bulb tables for determining humidity levels along detailed instructions on how to use and a protective carry case. Spirit thermometer Collapsible plastic handle for portability Measures the relative humidity of