4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood 5-inch grounded brass disc

5-inch grounded brass disc

Snap-apart 2-inch ceramic bar magnets in a 10-pack

this student voltaic cell pairs metal electrodes with a porous cup separator and ships with an experiment guide for measuring cell voltage and potentials

sized so a class can watch gas bubbles rise off each electrode in real time during electrolysis demos

Nine dissectable sections separate the enlarged eye from its orbital cavity

4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood 5-inch grounded brass discExposes every moving part of a two pole armature rotating between permanent magnets on an open 4 inch plastic base, running on 3 6V DC to illustrate both motor and generator operation.