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 725
deflects to the right, for instance, the vane a being repelled, makes contact with the wire //, and closes the circuit of the electro-magnet A', whose armature is accordingh- attracted. If the st\-les attached to the armature are brought close enough together to print the marks on the same strip of… … T.S. "Silvertown" Landing the Cable at Fernando de Noronha, 1892.
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.
