NPN Transistor Unit Item Type_Mug Racked display of fourteen precision-machined

Racked display of fourteen precision-machined stainless steel slotted masses totaling 1110 grams from 1 to 100 gram pieces

and brush needed to outfit a chemistry or biology bench from scratch

letting students route current down either branch of a circuit by choosing which slot the plug occupies

designed to slot onto the demountable U-core and combine with other coil ratios for electromagnetic induction demonstrations

NPN Transistor Unit Item Type_Mug Racked display of fourteen precision-machinedNPN transistor in a protective enclosure with labeled base, collector, and emitter terminals, supplying a robust hands on component for amplifier, switching, and logic circuit demonstrations.