Single Pulley with 1 Hook, Aluminum Frame, 3.5 x 2" LabLearner Extended two-inch fingers on this

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

Universal regulated AC/DC power supply combining a 0 to 5V adjustable DC rail

Black 3-inch circular disc 0

LED-output photoelectric cell on a 3

Single Pulley with 1 Hook, Aluminum Frame, 3.5 x 2" LabLearner Extended two-inch fingers on thisAluminum 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.