US$ 30.00
and wavelength experiments
199-piece water lattice kit for building a three-dimensional representation of hydrogen-bonded water molecules
providing a direct numeric current reading for student circuits where analog needle deflection would be too coarse to resolve cleanly
Walks students through four-stroke diesel operation on a 16-inch hand-cranked model
Hand painted
Internal Gear and Pinion Drive Mechanical Demonstration Model Item Type_Weights and wavelength experimentsHand cranked internal gear and pinion between two clear plastic plates, with dual rotation dials for quantitative analysis of gear ratios and rotary motion transmission.
US$ 30.00
US$ 85.00
US$ 35.00
US$ 35.00
US$ 124.57
US$ 149.00
US$ 134.00