object
Hygrometer
A named instrument for air humidity, hair or wet-dry bulb forms among others. Not a thermometer alone, not a barometer, and not a rain-gauge.
Also known as Humidity hygrometer · Hair hygrometer
object
A named instrument for air humidity, hair or wet-dry bulb forms among others. Not a thermometer alone, not a barometer, and not a rain-gauge.
Also known as Humidity hygrometer · Hair hygrometer