High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Polyhedral 120mL glass alcohol lamp

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

and engineering classroom activities

Three-part medical-quality human skull model with a removable calvarium and articulated mandible

Medium-size 5-inch pulley on a universal clamp accepting a variety of support surfaces

each foam-protected in a wooden case with frequencies labeled

High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Polyhedral 120mL glass alcohol lampTen 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.