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 ...

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 ...

Morse Code Day is April 27, 2018. Learn how the electric telegraph revolutionized how quickly messages could be received. Katya Vines, PhD You have big news that you want to share with family 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 amplified electrical ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...