The Rise and Extension of Submarine Telegraphy (Classic R...
Smith, Willoughby![The Rise and Extension of Submarine Telegraphy (Classic Reprint)](https://support.digitalhusky.com/media/annotations/sorted/246/24603690/CHSBZCOP0324603690.jpg)
Excerpt from The Rise and Extension of Submarine TelegraphyFor fear my hands should be considered idle, and the proverbial employment attributed to them, I have thought it advisable to be doing something. It has occurred to me that to note down some of the facts I have learned by experience in the electrical world would be employment, congenial to myself and at the same time serviceable to others. In this h0pe I submit to my readers the follow...