Triple-Long Plastic Pulley with Metal Frame Item Type_Home Furnishing Precision-cut interchangeable plugs in split

Precision-cut interchangeable plugs in split brass contact blocks select between constantan-wire decades

this eight-fork steel set lets students hear and measure frequency

providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench

Designed for parallel gravity filtration

the halter design keeping arms free for lab

Triple-Long Plastic Pulley with Metal Frame Item Type_Home Furnishing Precision-cut interchangeable plugs in splitTriple long plastic pulley set with three stacked wheels at 2, 1. 5, and 1 inches in a metal frame with brass end hooks, configurable for compound pulley force reduction experiments.