Open-Type Economy Rheostat, 43mm Lab Supplies_Clips and continuous DC demonstrations beyond

and continuous DC demonstrations beyond the reach of dry-cell stacks

and concavo-convex forms for classroom work

Simulated ABO blood typing kit teaches genetic inheritance through safe synthetic blood samples

What's in our food

Integrated diaphragm beneath an 8-inch heart model contextualizes cardiac position within the thoracic cavity during combined respiratory and cardiac teaching

Open-Type Economy Rheostat, 43mm Lab Supplies_Clips and continuous DC demonstrations beyondOpen type slide wire rheostat with oxidized constantan winding on a 43mm ABS supported pipe, rated 1. 5 ohms at 8A and tapped with three 4mm sockets for series resistor or potentiometer use.