The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 369
osed of.This is especially advantageous in case of an accidentalbreak in the connections, such as often occurs, sincemessages can still be received and prepared for trans-mission, and the accumulation rapidly despatched whenthe break is repaired. The simultaneous transmissionof duplicate press… … Fig. 115. Seven or more No. 16 copper wires, thoroughly insu-lated, are inclosed in jute and protected by an exteriorarmor of iron wires wrapped with hemp; the interiorbeing made water-proof. Deep sea cables, such as areused for the Atlantic lines, are made much lighter thanthose designed for…
Electricity · Magnetism
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