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 105
d for submarine cable work, with the exception that a single flanged drum fitted with knives (end view of Fig. 22), takes the place of the grooved drums as a rule.* End Elevation. bide Elevation. Figs. 22 and 23. — Ditails of Appokl Friction Brake, Dynamometer, etc., as applied to Cable Work by… … Fig. 24. — Appold Brake running through Tank of Water to Prevent Undue Heating. In April 1858, Professor William Thomson (afterwards Sir William, and now Lord Kelvin) had designed his first marine galvanometer f (Letters * Besides the fact that the grooves introduce extra friction to the cable,…
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.