5-Piece Low-Friction Tandem Plastic Pulley Set Lab Equipment and Supplies_Audio Visual Equipment slotted masses

slotted masses

and a second copper) for side-by-side comparison of conductivity and resistance

mounted on a 5-inch stainless steel rod with nontoxic powder-coated zinc alloy

Handmade wooden spice rack holds twelve 6-inch borosilicate glass test tubes with caps and includes a filling funnel for kitchen-to-lab cross-over gifting

this frog model demonstrates egg

5-Piece Low-Friction Tandem Plastic Pulley Set Lab Equipment and Supplies_Audio Visual Equipment slotted massesFive pulley set of tandem low friction plastic pulleys at 25, 38, and 50mm wheel diameters in open sided frames, equipping a class for compound pulley and variable diameter work.