Circuit Breaker Demonstration Apparatus Activity Kits_Green Chemistry Melting point apparatus with a

Melting point apparatus with a thermometer holder and capillary tube wells for determining the transition temperature of organic solids in organic chemistry laboratories

Glass-jacketed twin-rod Gunther expansion apparatus with 0

Twenty-two-and-a-half-inch wooden-meter-stick truss with centimeter graduations 1-50 on both sides

Built for introductory head dissection

Circuit Breaker Demonstration Apparatus Activity Kits_Green Chemistry Melting point apparatus with aCircuit breaker demonstration wired for 6V AC that mimics the behavior of a 230V AC installation, showing how a differential breaker trips under grounded fault conditions.