Whirling Hygrometer H4 Wind Overall arm length can shorten

Overall arm length can shorten with time due to the repeat changing of barograph nibs or pens

Monitoring soil temperatures is key to ensuring that you are planting the right plants at the right time in your garden

Fits any three single maximum brass weather dials

The Jubilee barograph is available with either a mahogany or oak case

two matching thermometers

Whirling Hygrometer H4 Wind Overall arm length can shortenDescription 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