Samuel Morse (1 янв 1838 г. – 1 янв 1838 г.)
Описание:
Samuel Morse, demonstrated sending 10 words a minute by his new telegraph machine. He used a system of dots and dashes, which later became standard throughout the world, known as Morse code.Добавлено на ленту времени:
Дата:
1 янв 1838 г.
1 янв 1838 г.
~ 0 min