Sample of Telegraph Cable, Sample of telegraph cable, presumably for sea mines. It is a short piece of wire rope of ten wires, around a copper wire in a thick insulating layer consisting of an unknown plastic (presumably gutta percha) and paper., anonymous, unknown, 1865 - 1875, iron (metal), copper (metal), paper, l 18.8 cm × d 1.8 cm
Keywords:
Sample, Telegraph Cable, telegraph cable, presumably, sea mines, short piece, wire rope, ten wires, copper wire, thick insulating layer consisting, unknown plastic, presumably gutta percha, paper, unknown, 1865, 1875, iron, metal, copper, l 18 8
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