US$ 30.00
and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit
Plated spring arm with press knob and a single contact stud
Designed for parallel gravity filtration
Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks
Built for kitchen science whimsy
Electrode for Electrolyzer, 40mm Glass Color_Transparent and field magnet for directCarbon anode and cathode pair pre fitted in a rubber bung, sized to drop straight into the student electrolyzer without rewiring for inert electrode investigations of water decomposition.
US$ 30.00
US$ 38.00
US$ 116.36
US$ 113.74
US$ 179.28
US$ 58.00
US$ 50.00
US$ 264.05
US$ 125.86
US$ 24.61
US$ 24.99