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Period: to
Agricultural Period
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Invention of the Spinning Jenny
James Hargreaves invented the spinning jenny to spin more than one ball of yarn or thread at a time speading up production time. This was invented durring a period of prosperity in the economy because it was made in the Industreal revolution. Pro- It greatly redused the time of production. Con- It was dangerous and workers often lost fingers. -
Invention of the Steam Boat
James Watt invented the steam boat as an improved version of the steam engine. This was the first one made and many people changed and improved on this idea. I belive that this was made in the prosperity stage because it was invented durring the Industreal Revolution. Pro- Greatly increases speed of boat transportation. Con- This invention was not very safe. -
Invention of the Cotton Gin
Eli Whitney infvented the cotton gin which greatly decreased the time needed to seperate the seeds from the cotton. The U.S. was in the prosperity phase beacause the U.S. was in the Industreal Revolution. Pro-Speads up the rate of cotton made. Con- It was easily made and many copies were created. -
Period: to
Industreal Period
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invention of the bunson burner
Bunsen burner was invented by Robert Wilhelm Bunsen in 1855 it is a very strong flame and very helpful. Pros- easier to make chemical reactions.Cons- can be dangerious. Prosperity because of the booming industrial revolution and many new rail roads being made. -
Invention of the lightbulb
It lets light come out for electrons moving through the filiment. Pros- allows light even at night. Cons- consumes alot ov energy. Prosperity because the banks were booming and the industreal revolution was still going. -
Invention of basketball
He invented basketball in springfeild massichusets as a sport that could be played indoors. It was durring a depression caused by a train of railroad failers. Pros- a new way to be active. Con- not very common then -
Invention of cotton candy
Cotton candy, in vented by William morrison, is made from sugar that is heated and spun into slim thread. Pro- tastes good Con- unhealthy. Depression because of the large about of railroad failers -
Period: to
Information Technology Period
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Invention of the First Engine Powered Plane
Oroville and Wilbur Wright made the first manned flight. It only flew about 111ft. The U.S. was in a period of prosperity because of the booming markets around this time. Pro- This was a stepping stone to the sky. Con- the planes were not yet developed enough to fly long distances. -
Invention of the gas powered car
THe combustion engine was invented by henry ford and was very popular for younger people for freedom. It was around in the proserity stage of the buisness because it was around in the roaring 20's. Pros- very quick then and alowed easy transportation. Cons- very pollutant -
Invention of Household Computers
The Z1 computer was the firsts computer that you could use and program in your home. You had to do many things in binary code. The US was in a recession period, national GDP fell 11%. Pro- It began the revolution of easily accesable terchknolegy in the home. Con- It is still rather large and not very fast yet.
