It was created in the 1840's for use in Samuel F. B. Morse's telegraph system. The letters were added by Alfred Vail soon after as the original code used only numbers.
It was created in the 1840's for use in Samuel F. B. Morse's telegraph system. The letters were added by Alfred Vail soon after as the original code used only numbers.
It was created in the 1840's for use in Samuel F. B. Morse's telegraph system. The letters were added by Alfred Vail soon after as the original code used only numbers.