Parallelogram of Forces Apparatus with Pulleys and Weights, 26" Lab Supplies_Lab Burner Accessories hand-cranked so students trace how

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

this adjustable board accommodates specimens for butterfly

telophase — progress across this plant mitosis model for cell division teaching in biology courses

Twenty-centimeter steel helical spring paired with 2kg

Parallelogram of Forces Apparatus with Pulleys and Weights, 26" Lab Supplies_Lab Burner Accessories hand-cranked so students trace howParallelogram of forces apparatus on a 26 by 20 inch wall mountable board with two clamp on pulleys, iron nickel plated hangers, and twelve 50g slotted weights for vector addition work.