Electric Motor Demonstration with 2, 3, and 4 Pole Armatures Geology Beech wood test tube rack

Beech wood test tube rack holds 12 tubes up to 20mm diameter in a 9-inch frame for organized storage during chemistry and biology experiments

the unit also runs as a motor on 6-8V DC for energy conversion demos

this deluxe optics kit covers reflection

5/6/9/12V at up to 1A

Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers

Electric Motor Demonstration with 2, 3, and 4 Pole Armatures Geology Beech wood test tube rackCompares 2 , 3 , and 4 pole armature configurations on the same motor frame by swapping interchangeable enameled copper armatures past a permanent bar magnet on a disc commutator.