Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 93
is useless, andjust here is where the knowledge acquired by an extended experience in the manu-facture of Direct and Alternating Current machinery is needed. All our Motorsand Dynamos, from 1 10 volts up, have the highest insulation that care and ex-perience can suggest. Neither paper nor muslin is… … 1-4 H.P.. H. C. MOTOR TRUE EFFICIENCY. In arriv-ing at the true commercial efficiencyof a Motor or Dynamo, not only theefficiency of operation must be con-sidered but the life or durability of J the machine must be taken into ac-count, and this last feature dependslargely on the care with which…
