Triode Valve Mounted Lab Equipment and Supplies_Plastic Labware dropping a chosen capacitor into

dropping a chosen capacitor into a circuit without unsoldering during introductory RC-circuit and resonance investigations at the bench

and an ignition light that fires on compression

Tabletop analog DC ammeter measuring 0-1A at 0

5cm and field strength from 100 to 7500 Gauss across the working volume

showing how cam profiles convert rotation into timed linear or oscillatory follower motion

Triode Valve Mounted Lab Equipment and Supplies_Plastic Labware dropping a chosen capacitor intoMounted on transparent base, with 4 mm colour coded sockets. Mounted on transparent base, with 4 mm colour coded sockets, with circuit diagram printed for demonstration.