Cryptologic Bytes

"On This Date in History" Calendar

1838: Alfred Vail uses dots & dashes

Wednesday, January 6, 2021

6 January 1838: Alfred Vail demonstrated a telegraph system using dots and dashes (the forerunner of Morse code). Did you know that the dots and dashes in the flag that appears in the NCMF logo have meaning? Click the link below to find out what they mean.

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