Thermistor Unit, Component Form Item Type_Mug transmitting maximum light when their

transmitting maximum light when their axes align and nearly extinguishing it when crossed at 90 degrees

this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement

sized for compass-deflection and small-scale field-line investigations

Plug-in 120V AC blower sized to feed a linear air track

Thermistor Unit, Component Form Item Type_Mug transmitting maximum light when theirUsed to demonstrate temperature dependent resistance, this thermistor mounts on a transparent base with 4mm color coded sockets and a printed circuit diagram for sensor circuit student work.