Magnetic Field Demonstrator with Long Solenoid, Acrylic Frame Lab Equipment and Supplies_Audio Visual Equipment introducing combinational-logic behavior by using

introducing combinational-logic behavior by using physical relays so students can hear and see the gate state in real time

Tirrill burner on a stable octagonal base adds air

and visceral organs in a combined lab-ready model

accepting rods up to three-quarters of an inch for positioning apparatus at any angle

and edge-polished

Magnetic Field Demonstrator with Long Solenoid, Acrylic Frame Lab Equipment and Supplies_Audio Visual Equipment introducing combinational-logic behavior by usingLong solenoid coil of 1. 5mm copper wire on a 5 x 4. 5 x 2. 75 inch acrylic frame with 4mm sockets, exposing the cylindrical field pattern that distinguishes a solenoid from a single loop.