First Morse telegraph, 1835.
3 3 c m
actual image size: 32cm x 25cm

First Morse telegraph, 1835.

© Science Museum / Science & Society Picture Library


Replica. Samuel Finley Breese Morse (1791-1872) was an American artist who turned to invention in 1832 when a fellow pasenger on an Atlantic crosing demonstrated some electrical apparatus acquired in Europe. By the end of 1832, he had developed the three basic concepts of telegraphy: a transmitting apparatus based on the interruption of an electric circuit; a receiving apparatus using an electromagnet to operate a pen on a moving strip of paper; and a code for translating the signals into numbers and letters (which became known as Morse code).

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