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Steam Engine
Richard Trevithick,invention was only after the invention of the lightweight, high pressure, steam engine, in 1797-1799 that steam engines became small enough to be used in smaller businesses and for use in steam locomotives -
Lightbulb
In 1802, Humphry Davy invented the first electric light. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light. His invention was known as the Electric Arc lamp -
Electrical Motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this is the conversion of mechanical energy into electrical energy and is done by an electric generator
