Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 33
ted and described below are used in this system and a full diagram of wiring is given on page 29. We can furnish separate Return Call Boards with Fire-Alarm Switch to hotels, etc., already equipped with Annunciators. We do not advocate the use of Return Call Bells as a Fire-Alarm system.They may be… … CombinationReturn Call Bells and Buttons. PRICE LIST. Cat. No. 101 A. Metal Combination Belland Button, dark bronzeor nickel finish, . . $\A5 Cat No. 101. Wood Combination Bell, each .... *L45 Wood CombinationBell. GIVE CATALOGUE NUMBERS N ORDERING.
