Description
8vo., Contemporary quarter calf over stippled cloth. 22.3x14x4 cm. Friedrich Vieweg. Braunschweig. 1870. x, 861, xxiii pp. Numerous illustrations, one folding plate with circuit diagrams. Good plus, covers shelfworn, inner hinges weak, ink name to ffep, contents very good. German text. A general treatise on telegraphy, well-illustrated. An interesting reference on the state of the telegraphic art just before the invention of the telephone. weight: 2.5 lb.
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