Tuesday, April 10, 2012

Models

Gang plow
Made of steel. Was replaceable. Invented by John Deere

Spring tooth harrow
Smoothed the ground. Rasied manually. Invented by David

Flying Shuttle
Key invention in the weaving industry. Machine double work. Invted 1733

Mold Board Plow
Soil flipped over. Ancient chinese. Provide better germination

Corn picker
Picked corn. Worked faster. Worked harder.

Grain Elevator
Elevator for grain. Made  it easy to move grain. Was made a steel.

Combine
Invented 1884. Harvest crops faster. First pulled by horses.

Cotton Gin
Invented 1795. Removed seed from cotton. Removed seed with metal brushs.

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