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 463
JOINTING. 303 at the joint* The be\'elled ends having been cleaned in the way to be presently shewn, a little further solder is applied to them ; f when the file is again used lightly to obtain smooth sharp surfaces. The conductor ends are now placed in the vice, I the bevelled ends being fitted… … Fig. 38. — Applying Binding Wire to Metallic Joint. Over the joint and on either side, for a distance equal soldered together to its length, is wound (Figs. 38 and 39) fine copper wire of No. 30 S.W.G. (.012 inch), intended to bind the joint firmly together in a Fig. 39. — Completed Metallic Joint.…
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.