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

5-inch grounded brass disc

Two variable 0 to 6V DC outputs paired with two fixed 6V/10W and 12V/20W AC outputs on this power supply controller

Zinc alloy LPG Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for immediate bench setup in chemistry classrooms

and 0-50 psi / 0-3

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

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.