US$ 50.00
Used to draw electrons from glass and ebonite rods during rubbing
sized for compass-deflection and small-scale field-line investigations
transmitting maximum light when their axes align and nearly extinguishing it when crossed at 90 degrees
packaged in a wooden storage box
Thermistor Unit, Component Form Item Type_Mug Used to draw electrons fromUsed 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.
US$ 50.00
US$ 35.99
US$ 113.30
US$ 165.03