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The traffic light
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∙ 11y ago
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What year was the lock invented?
Locks have been around for thousands of years. One of the early locks is 4,000 years old and found in the ruins of a palace outside of Nineveh. In 1778 Robert Barron invented the double acting tumbler lock and Joseph Bramah invented a better lock in 1784. His list of inventions are vast. James Sargent in 1857 invented the 1st key changeable combination lock.
Inventions of the 1700s - 1900s?
what inventions were made in the 1700 -1900 was absolutely nothing at all.
What are famous inventions of the Mongols?
I found that some of the things Mongols invented were the magnetic compass, the stern post rudder, the mechanical clock, gun powder, and printing. I learned this from doing research on this topic at my school.
What are the inventions that helped westward expansion?
There is a lot but the main inventions were the steamboats, telegraph, railroads, spinning jenny and the cotton gin.
What discover has made the most impact on your civilization?
The very first inventions: the lever and the inclined plane. The lever later became the wheel, and the inclined plane became roadways up mountains and screws, and so on. Most of our current machinery is based on these two primal inventions. Other than inventions, the discovery of fire made a huge difference, but it took more inventions to harness fire and make it be useful.
What inventions were invented between years of 1996-2008?
what inventions were invented during the years 1996-2008?
What inventions were invented after the Wright Brothers invented the airplane?
bikes
What are some inventions from Switzerland?
there is no technology inventions in Switzerland but they invented the Swiss watch
What were the vikings inventions?
they invented the comb
What inventions were invented in 1852?
The Taco
What inventions did people use before the cell phone was invented?
inventions? light bulb
Where did Marie curie inventions invented?
She did her inventions in her "laboratory" which was an old rundown garden shed.
I ivvented 200 plus inventions. Who and where can I turn?
I have invented 200 plus inventions. Who and where can I turn?
Inventions in the future?
There are an infinite number of inventions that could be invented in the future. These inventions may include flying cars for example.
What inventions were invented between 1876-1900?
what was invented from 1867 -1900
Inventions that Filipinos invented?
Abelardo Aguilar
What were William Cullen's inventions?
he invented the fridge
