ALPHA CHEMIKA 220 V Stainless Steel Single Tube Rheostat, For Industrial Use

rheostat, single tube a layer of oxidised resistance wire is wound on a porcelain tube which is supported by end supports. A sliding contact and three 4 mm socket terminals are provided for use as a rheostat or as a potentiometer. Tube diameter 38 mm simple voltaic cell daniel cell lechlanche cell in plastic vessel demonstration electric bell telegraph set, vertical type telephone set, lecture pattern worcester circuit board westminster electromagnetic kit power supply, 2v demonstration transformer demonstration dynamo model induction coil, ruhmkorff wheatstone bridge potentiometer rheostat, single tube rheostat, projected resistance coil resistance unit resistance box, plug pattern post office box, wheatstone bridge