Circular Tripod Stand Capacity_1000mL Cutaway working steam engine model

Cutaway working steam engine model with piston

Stand-mounted 230mm rotatable disc with 360-degree graduations and built-in light source

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

this electromagnet-driven pivoted-arm sounder on a wooden base produces the snap of early telegraph operation when current pulses the coil

700-microfarad electrolytic capacitor module with 4mm sockets

Circular Tripod Stand Capacity_1000mL Cutaway working steam engine modelBuilt for Bunsen burner heating, this circular tripod stand cradles flasks, beakers, and wire gauze above the flame during chemistry procedures.