Submarine telegraphs; their history, construction, and working. Founded in part on Wèunschendorff's 'Traitâe de tâelegraphie sous-marine' and compiled from authoritative and exclusive sources (1898)
Bright, Charles, 1863-1937 · London, C. Lockwood and son · leaf 131
ed, which has the advantage of not being prejudicially attacked by sea-water. The total diameter of the cable was only 0.43. For the shallow-water portions, the hempen covering was increased in thickness, so as to bring the diameter up to a little over half an inch. In the case of the shore ends,… … Fig. 30. — Paying-out Apparatus for Oran-Cartagena Cable, 1864. qables by wrapping them spirally with overlapping strips or ribands of metal was invented and patented by Messrs E. B. and C. T. Bright eleven years before — No. 14,331, 21st October 1852 — with full descriptions and draw- ing, coupled…
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.
