Rheostats - Standard, Resistance 135 Ohms, Max. Current 1.4 Amp, Heavily Oxidized Constantan (Copper-Nickel Alloy) Wire On A Vitreous Enameled Steel Tube, 2;4 mm Terminal Posts Which Are Fitted To Facilitate External Connection Conventional 4 mm Plug, Phosphor Bronze
Battery Eliminator, Plugs Into A Standard Electrical Outlet, 120 V Ac, 60 Hz. 2 Amp Max Output. Battery Eliminator Has Dimensions Of 7 X 5 X 4 Inches, Designed To Be Safe And Reliable Source Of Low Voltage, Dc Power. It Is Ideal For Use In Classrooms And Substitutes
Electrostatic Friction Rod Kit, includes: -3 fabric cloths (wool, cotton, silk) -3 rods (glass, ebonite, lucite), provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces, 0.4 lbs, 9.8x6.0x1.8in