. Book of the Royal blue . an exclusivelyPullman train, is in this service. ?M ■ ^S^H^^^^BnfHH^KI^^: -- — I vik HSr ^^^^^^^^^^VL 1 AA v. s w^:,j si £ ftamiii. ^■■Hk^^H^Ml Book of i hk Royal Blue. Im;! i^ iiv iiikPassenger Deiaktmkm ok hie Hai .i imoue t\: djiio Railroad. Vol. VI. BALTIMORE. OCTOBER, 1902. No. MARVELOUS ADVANCE IN TELEGRAPHY. THE ROWLAND SYSTEM. FIFTY-EIGHT years ago Professor Morsesent the first message by telegraphfrom Baltimore to Washington alongthe line of the Baltimore it Ohio R. U. Hismethod of printing the dots and dashes atthe receiving station fell
. Book of the Royal blue . an exclusivelyPullman train, is in this service. ?M ■ ^S^H^^^^BnfHH^KI^^: -- — I vik HSr ^^^^^^^^^^VL 1 AA v. s w^:,j si £ ftamiii. ^■■Hk^^H^Ml Book of i hk Royal Blue. Im;! i^ iiv iiikPassenger Deiaktmkm ok hie Hai .i imoue t\: djiio Railroad. Vol. VI. BALTIMORE. OCTOBER, 1902. No. MARVELOUS ADVANCE IN TELEGRAPHY. THE ROWLAND SYSTEM. FIFTY-EIGHT years ago Professor Morsesent the first message by telegraphfrom Baltimore to Washington alongthe line of the Baltimore it Ohio R. U. Hismethod of printing the dots and dashes atthe receiving station fell into disuse, andthe sounder was substituted. Now comesan instrument that prints the messages ready own country, and alas, it is true in thisinstance, for although the great inventionis not yet in use in America, the telegraphline between Berlin and Hamburg hasbeen equipped with the Kov\land telegraphprinting apparatus, and a second outfitwill shortly be sent to Germany forthe line from Berlin to OF THK KOUU TUANSMITTKHS TO THE for delivery and by which eight messagescan be sent over the same wire at the sametime— four in each direction. It is the product of the ingenious brainof the late Dr. Henry A. Rowland, professorat the .Johns Hopkins University, Baltimore. It is an old proverb that says: Aprophet is not without honor save in his The invention of Professor Rowland isknown as the octoplex, from the fact thateight telegrams may be sent simultaneouslyon one wire—four each way. The Augustnumber of Uber Land und Meer (OverLand and Sea) has an interesting article onProfessor Rowlands invention by Herr OttoJentsch, of the Imperial (Jerman Postotfice. MARVELOUS ADVANCE IN TELEGRAPHY.
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Keywords: ., bookauthorbaltimoreandohiorailr, bookcentury1800, bookdecade1890
