US$ 17.95
1100-turn copper coil on a bobbin sized for a double C-core
Racked display of fourteen precision-machined stainless steel slotted masses totaling 1110 grams from 1 to 100 gram pieces
and 500mm focal lengths for comparative refraction experiments
and marble for hands-on texture
Moment of Inertia Disc on Magnetic Base Handle Type_Wood 1100-turn copper coil on a6. 5 inch plastic moment of inertia disc on a magnetic base ball bearing, perforated at 1cm intervals along 12 axes with six moveable pins for torque and rotational energy investigations.
US$ 17.95
US$ 28.00
US$ 15.95