-
cotton gin
Cotton gin machine for cleaning cotton of it's seeds .Was invented in the united states.The cotton gin was invented by Eli Whitney in 1793. -
hydraulic press
About a century and a half later Joseph Bramah patented the hydraulic press in 1795 .In this invention he used Pascal's discovery to multiply a small amount of force and create large amounts of pressure capable of powering . -
lithography printing technique
Lithography is a method of printing originally based on the immiscibility of oil and water. -
electric battery
A battery is a power source consisting of one or more electrochemical cells with external connections for powering electical devices such as flashlight,mobile phones,and electric cars. -
steam locomotive
A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine.These locomotives are fuelled by burning combustible material usually coal,wood or oil. -
punch card
A punch card is a piece of stiff paper that holds digital data. -
steamboat
The first successful steamboat was the Clermont ,which was built by american inventor Robert Fulton in 1807. -
Reaper
Cyrus Hall McCormick invented the reaper machine.The reaper was built in 1831 by Virginia born inventor.Who patented it in 1834 and first sold it in 1840 in virginia. -
The sewing machine
Families sewed their pants, shirts,and dresses using a needle and thread .But Elias Howe changed all that.Born on clothes.He patented the first practical American sewing machine. -
Plywood
A thousand years ago,The Chinese shaved wood and glued it together for use in furniture .The English and french are reported to have worked wood on the general principle of plywood.