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 809
the reel is set, prevents the reel from responding further to the action of the "unwinder" until some of the slack tape has been used up. This constantly supplied slack tape prevents any tripping of the spacing mechanism while punching is proceeding. Should a punch fail to perform its work… … i Fig. 129. — Delany's Transmitter. In his transmitter, Mr Delany has also made an entirely new departure. Instead of retaining the Wheatstone rocking beam plan (or some of its modifications), or the equivalent step-by-step plan, by means of the clockworked rollers R (Fig. 129), he draws the tape…
Cables, Submarine
Internet Archive · Northeastern University, Snell Library · Public domain (published before 1931). Free to use for anything.
