NATS 1700 Lecture Notes - Lecture 4: Gie, Adet, The Victorian Internet
20 Oct 2016
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Nats 1700 lecture 4 communications networks: telegraphs, the victorian (cid:862)internet(cid:863) Device known as the telegraph - there were many different versions - the very early ones - the non electronic ones. Electric telegraphs were popularized in mid-19th (cid:272)e(cid:374)tu(cid:396)y although the(cid:396)e (cid:449)e(cid:396)e ea(cid:396)lie(cid:396) (cid:862)(cid:448)e(cid:396)sio(cid:374)s(cid:863) of this technology (18th c. semaphore system line of sight communications - in france) - involved individuals holding up mirrors trying to signal between long distances. Inventor of first telegraph was samuel morse (1844) device soon became popular all over globe. Telegraph system - sending a message across long distances, putting up poles and wires. The idea of having different electrical signals - you can create a message using electrical pulses that can be translated into actual messages. Before telegraph, most people relied on postal system to communicate, which meant sending a letter that could take days, weeks, and even months to get to its final destination.
