ing is also protected from corrosion by tarred hemp. Figs. 1 delivery of a signal and to prolong it, so that, although it is City to New York by laying several wires, thus insulated, ! and 2 show the construction of the Malta a momentary signal at starting, it becomes a prolonged sig- under the… … Ot Oo into the construction of submarine telegraph cables, as ful-! NS’ NE THE CONSTITUTION OF THE SUN. lows: ‘‘I was the first to use gutta percha in England. 1 ad- The following are the details of BY PDOFESSOR C. A. YOUNG. vised Mr. Foster, of Streatham, to apply it in our very early construction…
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