VARIAC
Electric Motor Control Apparatus, Including Speed Controls for Series, Shunt and Compound Electric Motors, Embodying Adjustable Transformers, Rectifiers, Chokes, Switches, Braking and Other Resistors, and Lamps; Adjustable Autotransformers, Including Output Terminals for Connection to Electric Heaters, Ovens, Electric Lights and Lamps, Motors, Power Supplies, Rectifiers, Voltage-Aging Equipment for Lamps, Vacuum Tubes and Dry-Disk Rectifiers; Motor-Driven Autotransformers Including Motors of ...
Cancelled · September 19, 1960 · 72104714 ·