US$ 68.92
and block and tackle
ten per pack
each foam-protected in a wooden case with frequencies labeled
Pairs of lamps
Built for drop-precision dispensing
High-Speed Low-Friction Pulley on Rod, 10" Type_Apron and block and tackleTen inch high speed low friction pulley on a 12mm aluminum rod, pairing a 2 inch plastic wheel with a metal bearing for smooth, consistent rotation in force and motion experiments.
US$ 68.92
US$ 19.99
US$ 188.63
US$ 19.99
US$ 167.41
US$ 190.71
US$ 329.20
US$ 14.00
US$ 4500.26
US$ 180.00