Small Student Anemometer Meters_Electrical Wall-mounted Mason's hygrometer with two

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

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

Youth-proportioned half-size torso with 9 removable parts including brain

Used to trace the invisible shape of magnetic fields

5-inch stainless steel rod cradle burettes

Small Student Anemometer Meters_Electrical Wall-mounted Mason's hygrometer with twoCorrosion resistant and sized for hand held use, this small anemometer measures wind speed during earth science fieldwork and classroom weather investigations.