Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 32
epel is advantageouslyused in the construction of these machines. When operateda white disc appears under the number of the room thatsignals. The drops are checked electrically by reversingthe polarity of the batteries, and this checking button maybe placed in any convenient position. WE FULLY… … French Drop. SPECIAL NOTICE.—Prices given for Hotel and House Annunciators are lor ordinary woods, such sis Ash/Oak, Walnut and Cherry. Other woods or Special Patterns will be charged at a reasonable advance. -7 V iiiiMinniiiiiin n I IIMIII1IIIIIIHIIIIIIIIIJIHII IIIIHIIH .THE MOLTZER-CABOT…
