This traditional slide-wire device is the classic way to measure resistance in a conductor by comparing a wire with known resistance to one with unknown resistance. Features 7.5 x 110 cm enameled aluminum base; meter-long high resistance nichrome wire; terminals; corrosion-resistant nickel-plated parts; double-ended sliding knife edge contact; low resistance connectors; 1000 mm scale. Requires DC power supply and galvanometer, not included.
