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PIANO
- Bartolomeo Cristofori.
- a long wooden instrument that produces sound or music, containing black and white keys of different sizes.
- Served to change the world of music, the perspective became different, new ways of creating and composing music were created.
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MERCURY THERMOMETER
- Gabriel Farenheit. Device that takes the real temperature of things / people. Thanks to whether the mercury it carries rises or falls, it's possible to know what temperature the object is at. It helped to know the temperature of things
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LIGHTNING ROD
- Benjamin Franklin. It is an instrument whose objective is to attract lightning to conduct the discharge towards the ground, in such a way that it does not cause damage to people or buildings. Thanks to the lightning rod, many deaths could be avoided, since the lightning rod makes the rays not go directly to people, but to go to harmless points for the living being. And humanity stopped being so afraid of storms / lightning.
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SUBMARINE
- Dolland A submarine is a vessel capable of navigating on the surface of the water or under the water.
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BIFOCAL EYEGLASES
- Benjamin Franklin.
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GUILLOTINE
- Dr. Joseph Ignace Guillotin
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COTTON GIN
- Eli Whiteny.
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PRESERVING JAR OF FOOD
- Francois Appert.
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BATTERY
- Alessandro Volta