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Word Count: 368
In the early 1800s coal and steam drove the machines of industry By the late 1800s new kinds of energy were coming into use One was gasoline which powered a new type of engine called an internal combustion engine Small light and efficient this engine would eventually make electricity In the 1870s the electric generator was developed which produced a current that could power machines This invention made it possible to bring the magic of electricity into daily life If electricity seemed like magic to people in the 19th century Thomas Edison was perhaps the centurys greatest magician Over his career Edison patented more than 1000 inventions including the light bulb and the phonograph Edison and his team invented the first practical electric light bulb in 1879 Within a few Edison had perfected a longer lasting bulb and had begun installing electric lighting in New York City Other inventors helped harness electricity to transmit sounds over great distances Alexander Graham Bell was a teacher of deaf students who invented the telephone in his spare time He displayed his device at the Philadelphia Exposition of 1876 The emperor of Brazil used it to speak to his aide in another room When he heard the reply he exclaimed My word It speaks Portuguese The telephone quickly became an essential of modern life By 1900 there were nearly 2 million telephones in the United States The Italian inventor Guglielmo Marconi used theoretical discoveries about electromagnetic waves to create the first radio in 1895 This device was important because it sent messages using Morse Code through the air without the use of wires Primitive radios soon become standard equipment for ships at sea Not until later could radios transmit human voices In the 1880s German inventors used a gasoline engine to power a vehicle called the Automobile Automobile technology developed quickly but since early cars were built by hand they were expensive to buy and
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