Canadian engineer . NORTHERN ELECTRIC INTERPHONES for the FACTORY, OFFICE BUILDING, RESIDENCE or APARTMENT HOUSE. An Interphone System is the latest, mostsanitary and approved method of inter-com-munication. It replaces the old-fashionedspeaking tube which was never anything morethan a receptacle for dust and dirt. Owing- to the quickness with which instruc-tions can be given, orders can be transmittedand received almost instantly. All the advantages of a personal intervieware obtained without travelling from one placeto another. The system is available for use at all hoursof the day or night
Canadian engineer . NORTHERN ELECTRIC INTERPHONES for the FACTORY, OFFICE BUILDING, RESIDENCE or APARTMENT HOUSE. An Interphone System is the latest, mostsanitary and approved method of inter-com-munication. It replaces the old-fashionedspeaking tube which was never anything morethan a receptacle for dust and dirt. Owing- to the quickness with which instruc-tions can be given, orders can be transmittedand received almost instantly. All the advantages of a personal intervieware obtained without travelling from one placeto another. The system is available for use at all hoursof the day or night independent of an operator,hence no operating expenses. BETTER WRITE TO-DAY FOR BULLETIN
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishertoron, bookyear1893
