9" High-Speed Low-Friction Spoke Pulley, 2.5" Diameter Subcategory_Gas Washing Bottles combining autoclavability with transparency so

combining autoclavability with transparency so flow can be observed through the wall

step-up/step-down ratios

5N dynamometer to measure the magnetic-braking force quantitatively

5-inch fan and 4mm sockets

Liquid propane Bunsen burner provides standard flame heating for chemistry and biology classroom laboratories at the benchtop

9" High-Speed Low-Friction Spoke Pulley, 2.5" Diameter Subcategory_Gas Washing Bottles combining autoclavability with transparency soLow friction 9 inch spoke pulley with a 2. 5 inch wheel on free running ball bearings, with the open spoke design optimized for photogate timing of rotational motion experiments.