Electric Motor Demonstration with 2, 3, and 4 Pole Armatures Biology_Human Anatomy the wooden storage box housing

the wooden storage box housing optical-grade shapes for dispersion

and optic nerve

this eight-fork steel set lets students hear and measure frequency

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

supplying replacements when the originals lose loft or split during repeated charging cycles

Electric Motor Demonstration with 2, 3, and 4 Pole Armatures Biology_Human Anatomy the wooden storage box housingCompares 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.