US$ 130.50
5-inch spinning aluminum disc
and balance arms during physics force and pressure experiments
Transmitter and receiver pair on PP3 batteries with 5m and 10m polymer fiber coils
Low-voltage DC motor with a current-limiting series resistor on a demonstration base with 4mm plug connections
this student voltaic cell pairs metal electrodes with a porous cup separator and ships with an experiment guide for measuring cell voltage and potentials
Replacement Cylindrical Lens for Sliding Ray Box Lab Supplies_Weights & Masses 5-inch spinning aluminum discSingle axis focusing geometry of this cylindrical lens lets students see how a curved surface forms line images, supplied as a replacement for the matching sliding ray box.
US$ 130.50
US$ 68.00
US$ 158.72
US$ 92.00
US$ 157.50
US$ 135.00