Rheostats - Standard, Resistance 16 Ohms, Max. Current 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
Moment Of Inertia Disc On Magnet, 17.5 Cm Dia. Plastic Disc Mounted On Ball Bearing And Magnetic Base, Plastic Disc Dia. 17.5 Cm Mounted On Ball Bearing And Magnetic Base Perforated With Hole At 1 Cm Interval On 12 Axes At 30 deg. Supplied With 6 Moveable Pins.