ESAW EEC-10694 Vitreous Enamelled Tube Sliding Contact Rheostat, Resistors, Open type

Rheostats of excellent quality. Wound with heavily oxidized resistance wire on vitreous enamelled steel tube. The winding is locked into place with ceramic cement. The tube is carried upon robust enamelled die-cast end supports with heavy-duty sliding contact consisting of multi-leaf phosphor bronze strips, nickel-plated for corrosion resistance. 4mm socket terminals are fitted, allowing for use as a variable resistor or potential divider.