Wood engraving "Schreib-Telegraf nach Morse, vereinfachte Konstruktion, aus der Fabrik von Greßler u. Co." (Writer telegraph for Morse code, simplified construction, made in the Greßler & Co. factory)
Julius Greßler & Co., Telegraphen-Bauanstalt und Fabrik Galvanischer Batterien1860 - 1865
This wood engraving shows a simplified representation of the circuit between 2 telegraph stations. The connections between the battery, Morse key, galvanoscope, and Morse code writer are clearly visible.
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Title: Wood engraving "Schreib-Telegraf nach Morse, vereinfachte Konstruktion, aus der Fabrik von Greßler u. Co." (Writer telegraph for Morse code, simplified construction, made in the Greßler & Co. factory)
Creator: Julius Greßler & Co., Telegraphen-Bauanstalt und Fabrik Galvanischer Batterien