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 791
to balance on account of the extra retardation thereby introduced. This would have the effect of causing the current charges to be materially slower : or rather, to put it more accurate!}-, it would thereby take a longer time tor any upsetting of an absolute balance to affect the signals — so much… … Fig. 119. — Harwood's Duplex. Muirhead's " artificial " line) the battery P, Fig. 1 19, is in the bridge which usual!)' contains the receiving instrument G ; and reciprocally, condensers of about equal capacity to those usually inserted in the line for simplex working, are placed in the…
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.