Rheostats - Standard, Resistance 4.5 Ohms, Max. Current 9 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
Rheostats - Standard, Resistance 37 Ohms, Max. Current 3.2 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