US$ 197.50
5% ±2 digit accuracy on a 3-1/2 digit LCD
showing how wheel-diameter ratio changes output speed and torque in belt-driven mechanical transmissions
Triple-long plastic pulley set with three stacked wheels at 2
and conductor tests
Used as the positive-rail partner to the 500mm black lead
Formation of Rocks Teaching Model Lab Equipment and Supplies_Metal Labware 5% ±2 digit accuracy onDepicts how igneous, sedimentary, and metamorphic rocks form and transform within the rock cycle, annotated for straightforward classroom identification.
US$ 197.50
US$ 125.00
US$ 512.50
US$ 24.95
US$ 29.00
US$ 24.95
US$ 30.95
US$ 18.00
US$ 158.00
US$ 397.50