The Untold Story of the Telegraph examines the early history of the electric telegraph, including a close look at the many oddball schemes for electrical communication that preceded the Morse system. The latter is examined in detail, illuminating the process that led to its invention. Excellent source documents and over 90 photographs and illustrations (most in color) help tell the story.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.