trery Description of Telryraph Materials. ment on any in use, sama size as- the Canton Inetmment, but A copy of SM1TI!'S MANUAL, Mew and enlar^'ed edition, sent with each complete outfit of BuitncJ)'? Perfected Learners* qalte «npcrio.- by rcamu of its loud, clear sound. Altogether InMrument. est… … Our Patent Pocket Relay has an improvel key, large enough to be durable and for practical work. SrrBBioR Main Line Sounders or "Wreckers.** It has an independent circuit closer. The sounding lever is supported by adjustable trunnion screws, and cati be readily removed at any time, or Tbey are…
Telegraph -- Periodicals
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