US$ 40.00
Three-wheel stacked metal pulley for maximum mechanical advantage in compound pulley systems
Thirty-three-ohm 2
Long 1000mm black 2mm-plug lead with a crocodile clip on the opposite end
Pair of nylon-fringed metal pompons on insulated stands that fan into wide cones under mutual repulsion when charged
two collision carts
Sheet Filter Paper, 45 x 45cm Racks & Stands_Flask Stands Three-wheel stacked metal pulley forSheet filter paper measures 45 x 45cm for custom cutting circles, strips, and shapes during filtration, sample blotting, and lab paper chromatography.
US$ 40.00
US$ 109.50
US$ 65.00
US$ 75.00