Single Pulley with 2 Hooks, Heavy Duty Frame, 4.25 x 2" Manufacturer_Austerlitz supplying a contrasting reactive-metal electrode

supplying a contrasting reactive-metal electrode pair for Faraday's-laws and ionic-conduction work

Color-coded spine and pelvis model differentiates cervical

Variety pack to help with experiment of contrasting resistances and temperature

EDM-80 moving-coil DC voltmeter with a clear acrylic front

Plug-type resistance box covering 1 ohm to 5000 ohms with 11

Single Pulley with 2 Hooks, Heavy Duty Frame, 4.25 x 2" Manufacturer_Austerlitz supplying a contrasting reactive-metal electrodeAluminum 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.