AUTOCALL

Apparatus and Equipment for Use in Paging Service, Fire-Alarm Service, and Watchmen's Supervisory Service, Such Apparatus and Equipment Consisting of Electrically-Operated Code Senders and Signal Transmitters for Use in Automatic Code Signaling, Electric Fire-Alarm Boxes, Electric Watchman's Signal Boxes, Electrically Operated or Controlled Bells, Gongs, Buzzers, and Whistles, Electrically Operated or Controlled Recording Devices and Punch Registers, and Electric Motors, Switches, Panel Boards, Batteries, and Components of Apparatus as Aforesaid