Small Student Anemometer Meters_Electrical Copper-wound maximum flux coil with

Copper-wound maximum flux coil with 200 turns at a 45 mm internal diameter

237kg hooked masses for measuring spring extension under load and calculating spring constants

5-capacitor condenser box features capacitors from 1 to 4

Five-inch demonstration compass with a 4-inch magnetic needle and a printed compass map

Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference

Small Student Anemometer Meters_Electrical Copper-wound maximum flux coil withCorrosion resistant and sized for hand held use, this small anemometer measures wind speed during earth science fieldwork and classroom weather investigations.