Mason's Wet and Dry Bulb Thermometer Subcategory_Bases and Rods Five-ohm reference coil non-inductively wound

Five-ohm reference coil non-inductively wound from double silk-covered constantan inside a transparent tube

this 125mL translucent polyethylene wash bottle features a flexible delivery tube for targeted solvent application

1% accuracy on double silk-covered constantan coils

this small anemometer measures wind speed during earth-science fieldwork and classroom weather investigations

Mason's Wet and Dry Bulb Thermometer Subcategory_Bases and Rods Five-ohm reference coil non-inductively woundPaired dry bulb and wet bulb thermometers on this Mason's hygrometer, calculating relative humidity from the temperature difference between the two readings for meteorology coursework.