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It was created by Richard Trevithick. It was not incorporated right out of the box as the rails they were tested on broke due to the weight of the machine.
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It was created by William Morton, at first nitrous oxide, also known as laughing gas, was used and tested on himself by pulling out a tooth. Seeing that it worked, he decided to present it publicly, but it was a complete failure. When nitrous acid failed, he decided to try ether after having been recommended by his teacher, and it did work.
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It was created by Antonio Meucci. He built it to connect his office with his bedroom so he could talk to his wife, who was immobilized in bed due to illness. Although he built his own prototype, he did not formalize his patent due to financial problems.
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It was created by Narciso Monturiol. What led him to reflect on the possibilities of underwater navigation was the dangerous work of coral collectors. So when he arrived in Barcelona he got together with some friends and they organized the first commercial company dedicated to this type of navigation.
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It was created by Thomas Clifford Allbutt, it was about 15cm long. Previously, one of about 30cm was used that the patients had to wear for about 20 min. They were usually manufactured taking advantage of the phenomenon of expansion, so that, as the temperature increased, their stretching was easily visible.
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It was created by William Hesketh Lever. The first soap was called Sunlight and it was mostly for domestic use. The first toilet bar was introduced in 1933. The Lifebuoy brand is committed to educating the public about the dangers of germs and microbes.
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It was created by Karl-Benz, for this operation the contribution of previous engineers was necessary, such as the four-stroke engine.
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It was created by John Pemberton. At first it was produced as a syrup, but since people who tasted it said it was delicious, they mixed it with carbonated water to turn it into a soda.
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It was created by Clément Ader, it consists of a small cabin that is kept in flight by large wings that resemble the wings of a bat. Clément was very interested in the flight of birds, that is why his airplane model reminds us of a bat.
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Felix Hoffman created it. Aspirin comes from the bark of the white willow and was used even before Felix produced it, as the bark of the white willow was known to relieve pain and fever.
