IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Telegraph relays amplified electrical ...
On a brisk afternoon in Washington, D.C., on December 13, 1844, an unusual sight drew curious onlookers to the U.S. Capitol. A tangle of wires, wooden poles, and odd-looking electrical boxes had been ...
IT may be safely said that no one of the wonder-working agencies of the nineteenth century, of an importance in any degree equal to that of the Electric Telegraph, is so little understood in its ...
IN the spring of 1860 an article was published in this magazine with the above title, giving an account of the extension of the telegraph up to that time. Its progress since has been very great in ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Telegraph relays amplify an ...
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