-
cotton gin
Eli whitney -
Period: to
agriculture
-
Iron Plow
Thomas Jefferson -
Grain Reaper
Cyrus McCormick -
Seed Planter
Henry Blair -
Cotton Planter
Henry Blair -
Steel Moldboard Plow
John Deere -
Corn picker
Edmund Quincy -
Barbed wire
Joseph Glidden -
Milking machine
Anna Baldwin -
Perishable food preservation
Thomas Elkins -
soil improvement
George Carver -
Tractor
Ben Holt -
Smith Hughes act
-
FFA
Became a natioal organization -
Creed Adopted
-
FFA
recieve a federal charter from congress -
FFA and NFA merged
-
Girls were allowed in FFA
-
Gene gun
John Sanford -
Name changed
-
Robotic milking machines
-
GPS technology