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Technical and scientific advances between the 18th and 19th century : -…
Technical and scientific advances between the 18th and 19th century :
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1709
Piano: the first piano was built in Italy by Bartolomeo Cristofori. One of the differences with its predecessor, the harpsichord, was that you could change the volume.
1743
Elevator: the first known corresponds to the one built in the Palace of Versailles for King Louis XV. Compensated by a system of weights, and manually operated, the elevator transported the monarch in absolute privacy from one floor to another.
1752
Lightning rods: the American scientist and statesman Benjamin Franklin placed them, in the form of cables, on the facades of buildings in Philadelphia, United States.
XIX
1804
Locomotive:In 1804, the locomotive was invented by Richard Trevithick, which until the middle of the 20th century was used with steam. But it did not work because it circulated on inappropriate lanes for its weight and until 1825 it was only used on the railway lines of the coal mines.
1846
Anesthesia:One of the great inventions of chemistry in history, discovered by William Morton in 1846.
1854
Telephone:For many years, Graham Bell was their inventors together with Elisha Gray, but they were not only the first to patent them. in reality its inventor was Antonio Meucci, who could not patent it or present it due to financial problems.
REALIZADO POR JOSEPH OCHOA 10 A SOCIAL STUDIES
