Single Pulley with 1 Hook, Aluminum Frame, 3.5 x 2" LabLearner paired with two 50N spring

paired with two 50N spring balances and two wrest pins so students can verify the laws governing frequency

the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work

Extended two-inch fingers on this vinyl-coated three-finger clamp provide deeper reach into apparatus assemblies

High-tension power supply driving spectrum and discharge tubes in atomic spectra and gas discharge demonstrations for advanced physics classrooms

NPN transistor in a protective enclosure with labeled base

Single Pulley with 1 Hook, Aluminum Frame, 3.5 x 2" LabLearner paired with two 50N springAluminum bodied single pulley in a 3. 5 by 2 inch metal frame with a centered 2 inch wheel and one hook, sized to suspend from a stand for mechanical advantage experiments.