US$ 40.00
Used as the positive-rail partner to the 500mm black lead
8-inch polished metal dome
5 inch premium dynamics carts with nylon ball-bearing wheels and end hoops for elastic and inelastic collisions
showing how wheel-diameter ratio changes output speed and torque in belt-driven mechanical transmissions
5% ±2 digit accuracy on a 3-1/2 digit LCD
Formation of Rocks Teaching Model Lab Equipment and Supplies_Metal Labware Used as the positive-rail partnerDepicts how igneous, sedimentary, and metamorphic rocks form and transform within the rock cycle, annotated for straightforward classroom identification.
US$ 40.00
US$ 40.00
US$ 25.00
US$ 36.00
US$ 50.00
US$ 62.00
US$ 28.00