Electricity Timeline

invented the battery

Built the first working electric telegraph

accidentally discovered that an electric field creates a magnetic field

discovered thermoelectricity

developed the first electromagnet

introduced the concept of electrical resistance

developed a prototype " DC motor" in the United States

Used a revolving mirror and four miles of wire to measure the velocity of electricity

At an exhibition in New York, 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 the Morse Code

Thomas Edison built a DC electric generator

Inventor of the telephone

Demonstrated the first Electric Light

developed an AC motor and a system of AC power generation

invented fuse

developed a prototype of a radio receiver

First successful intercontinental telegram

invented cathode ray oscilloscope

first transatlantic radio broadcast

the Fluorescent lamp was invented

Invented diode

Invented triode

Laid the principles of Television

discovered Superconductivity

developed Electronic oscillator

Invented sonar

Invented the crystal oscillator

Invented the multi-vibrator

developed the standard AM radio receiver