Technological Innovations Flashcards
What was the domain, inventor and year of the REAPING MACHINE?
Agriculture, Cyrus McCormick in 1831
How did the REAPING MACHINE work?
It was a machine used in reaping grain and equipped with a raking device that bends the grain against the cutter bar with power taken from a ground wheel.
What were the impacts of the REAPING MACHINE?
Increased crop yields, decreased the number of farmhands needed.
What was the domain, inventor and year of the SPINNING JENNY?
Textiles, James Hargreaves in 1764
How did the SPINNING JENNY work?
The machine used eight spindles onto which the thread was spun, so by turning a single wheel, the operator could now spin eight threads at once.
What was the impact of the SPINNING JENNY?
The spinning jenny reduced the amount of work needed to produce cloth, and a worker could work with 8 spools at once.
Domain, inventor and year of the STEAM ENGINE
Transportation, James Watt in 1776
How did Watt’s engine work?
Operated on the principle of a pressure difference created by a vacuum on one side of the piston to push the steam piston down
What was the impact of the STEAM ENGINE?
The steam engine helped to power the Industrial Revolution. Steam power allowed for factories to be located anywhere. It also provided reliable power and could be used to power large machines.
