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Period: to
1784_- 1963
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Bifocals
Invented by Benjamin Franklin in 1784. He first saw his name in print when he was 16.Invented modern libraries. Bifocals were the first form of glasses that help people see very small things.They affected society by opening doors for glasses. -
Cotton gin
Invented by Eli whitney 1794. This device cut down the need for slaves.Did the work of 100 men. This device carded cotton 10 times as fast.It cut down on the use of slaves. -
Mecanical Reaper
Invented by Cyrus McCormic in 1831.Invented his first farming tool when he was 15.Improved a design of his fathers to come up with the mechanical reaper. This machine was a plow that planted seeds very fast.It made farming easier. -
Morse Code
Invented by Samuel Morse in 1835.This device is used in wars.He invented the electric telegraph. Used in wars to send messages over wire.It opened the door to many communication systems. -
Continuous Sewing Machine
Invented by Isaac Singer in 1851.He had five different wives and 24 children. This device sewed fabric automaticly.It made it so that people did not have to sew physicaly. -
Typewriter
Invented by Peter Mittenhoffer in 1861.All typewriters have their own way of typing.Early users of typewriters were also called typewriters. This invention types things instead of people having to write it out.It opened doors for many ways of making writting easier. -
Telephone
Invented by Alexander Graham Bell in 1876.His birth name was Alexander Bell.Both his mother and his wife were deaf. This device lets people call one another.It opened the door for the modern telephone. -
Zipper
Invented by Whitcomb Judson in 1891.Almost all zippers are made by YKK.It took a long time to make such a simple invention. This invention makes things close.It made clothing production easier. -
Air Conditioner
Invented by Willis Carrier in 1902.First idea for this came in the 19th century.The first large scale version came in 1902. This device electricly cools things.It made cooling a home much easier. -
Windshield wipers
Invented by Mary Anderson.Replaced squeegees bullet proof vests fire escapes windshield wipers and laser printers were all invented by women. This device cleans the window of a car.It made car care easier. -
Microwave Oven
Invented By Percy Spencer in 1945.Will fry metal and microwave if metal get put into microwave.Works on radio waves. This ivention cooked food using radiowaves.It made cooking simple and easy. -
Computer Mouse
Invented in 1963 by Douglas Engelbart.This device comes in many forms.Made Computer use much much easier. The device moves the cursor on a computer screen.It made it to the point that coputers were interactive.
