US$ 17.95
4 inches with thread-fitted joints tuning pressure by screw
EDM-80 moving-coil DC voltmeter with a clear acrylic front
supplying a contrasting reactive-metal electrode pair for Faraday's-laws and ionic-conduction work
sized for hands-on Ohm's-law measurement and series-parallel comparison without rewiring between values
Single Pulley with 2 Hooks, Heavy Duty Frame, 4.25 x 2" Manufacturer_Austerlitz 4 inches with thread-fitted jointsAluminum bodied single pulley in a heavy duty 4. 25 inch metal frame with hooks at both ends and a centered 2 inch wheel, configurable as fixed or movable in compound setups.
US$ 17.95
US$ 17.95
US$ 17.95
US$ 17.95
US$ 17.95