Nautical Brass Porthole Hygrometers

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Nautical Brass Porthole Hygrometers

Classic brass porthole hygromometer.

The hygrometer: the ship's captain or meteorologist can use these to determine changes and patterns in % relative humidity, to aid in weather forecasting and prime varnish drying weather!

Wall mount and ready to use. Heavy glass and heavy solid brass casing and hardware. This matches our 5-1/2" Porthole Clock, barometer and thermometer.

Porthole hygrometers only available in 5-1/2" size and the face measures 3-1/2".