US$ 16.00
5 inches with a brass-chrome water wheel in a 10cm aluminum casing
hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection
producing water jets of varying distances to show how pressure increases with depth in hydrostatics
the lower-friction variant of the metal-bearing bench-clamp pulley in the series
spindle formation
Three-Dimensional Solar System Teaching Model, 13" Plastic Labware_Plastic Burettes 5 inches with a brass-chromeDemonstrates relative planetary motion on a 13 inch three dimensional solar system model with a 5. 9 inch sun and eight movable planets, paired with an experiment guide.
US$ 16.00
US$ 68.00
US$ 37.99
US$ 224.50
US$ 25.00
US$ 138.99
US$ 36.00
US$ 116.00
US$ 20.00
US$ 21.99