. The Electromechanical Age: 1840 - 1940.

The discovery of ways to harness electricity was the key advance made during this period. Knowledge and information could now be converted into electrical impulses.

1. The Beginnings of Telecommunication.
1. Voltaic Battery.
• Late 18th century.
2. Telegraph.
• Early 1800s.
3. Morse Code.
• Developed in1835 by Samuel Morse
• Dots and dashes.

• Alexander Graham Bell.
• 1876
1. Followed by the discovery that electrical waves travel through space and can produce an effect far from the point at which they originated.
2. These two events led to the invention of the radio
• Guglielmo Marconi
• 1894