Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 130
stat which maybe placed either in the field of a dynamo or in the main circuit. The Controller is drivenby a belt from some convenient shafting when such power is obtainable, but it is also made to be driven by a x/s H.P. motor. It is invaluable for the regulation ot pressure where it is difficult… … Controller and Rheostat Combined. CABINET FORM. FIRE PROOF. The Controllers shown on following pages are designed for connection with the rheostat ordinarilysupplied with dynamos or power generators. We furnish, however, both compactly arranged ina cabinet form, as shown in adjoining cut. In…
