Page 26 - Smithsonian

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1844
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Alfred Vail made this key, believed to be from the first Baltimore-Washington telegraph line, as an improvement on Samuel Morse's original transmitter. Vail helped Morse develop a practical system for sending and receiving coded electrical signals over a wire, which was successfully demonstrated in 1844. Morse's telegraph marked the arrival of instant long-distance communication in America.
The revolutionary technology excited the public imagination, inspiring predictions that the telegraph would bring about economic prosperity, national unity, and even world peace. Smithsonian's National Museum of American History, Division of Work and Industry. NMAH_LOGO_LG-W_CMYK.ai / NMAH_LOGO_C-R_onW_PMS.ai
on WEARERS LEFT SLEEVE.
Style# XXXXXXX MORSE CODE
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Style Name: MORSE CODE
Image Ref / Link:
25_MORSE.tif https://morsecode.world/international/translator.html