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 amplified electrical ...

It was in the middle of a war with Russia, which was not going well, that The Daily Telegraph was launched in 1855. The title of the new paper came from the world-changing technology of the electric ...

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 ...

THE use of the electric telegraph for recording earthquakes is not so new as the Echo (quoted in your last number, p. 35) supposes. Dr. Hector, Director of the Geological Survey, has, ever since the ...

In the 4th century BC, the Greek engineer Aeneas of Stymphalus devised a groundbreaking communication system known as the hydraulic telegraph. This ancient invention utilized synchronized water clocks ...

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 ...

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 ...