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Page 276 of 689
Table of Contents

CHAPTER XII.

lifted from the bottom, have ridden out a

  1. That more than four nautical miles of the Atlantic cable have been recovered from a depth of over two miles, and that the insulation of the gutta-percha covered wire was in no way whatever impaired by the depth of water or the strains to which it had been subjected by lifting and passing through the hauling-in apparatus.
  1. That the cable of 1865, owing to the improvements introduced into the manufacture of the gutta-percha core, was more than one hundred times better insulated than cables made in 1858, then considered perfect and still working.
  1. That the electrical testing can be conducted with such unerring accuracy as to enable the electricians to discover the existence of a fault immediately after its production or development, and very quickly to ascertain its position in the cable.
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