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Inventions And Tools Powerpoint

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Information about Inventions And Tools Powerpoint
Education

Published on May 8, 2009

Author: teooria

Source: slideshare.net

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Carmeni powerpoint
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Inventions and tools of renaissance Carmen Zahkna Janar Sarapu

Clocks The first mechanical clock was invented in the early 1300's Time began to be measured in hours (24 hours equaling a day) The pendulum greatly improved the constant movement of the hands or bell of a clock During the 1600's, use of the screw in assembling the clocks were first used

The first mechanical clock was invented in the early 1300's

Time began to be measured in hours (24 hours equaling a day)

The pendulum greatly improved the constant movement of the hands or bell of a clock

During the 1600's, use of the screw in assembling the clocks were first used

 

Eyeglasses Historians are not certain who invented the first spectacles In the late 13 th C paintings first appeared with people wearing or holding spectacles Spectacles were invented in Italy Around 1300 the Venetian Glassmaker's Guild made regulations on glasses In 1623 the Spanish invented the first graded lenses

Historians are not certain who invented the first spectacles

In the late 13 th C paintings first appeared with people wearing or holding spectacles

Spectacles were invented in Italy

Around 1300 the Venetian Glassmaker's Guild made regulations on glasses

In 1623 the Spanish invented the first graded lenses

Flush toilet In 1596 Sir John Harrington made the first flush toilet for himself and his godmother Queen Elizabeth Alexander Cummings reinvented the flush toilet more commonly called the water closet

In 1596 Sir John Harrington made the first flush toilet for himself and his godmother Queen Elizabeth

Alexander Cummings reinvented the flush toilet more commonly called the water closet

Gunpowder Gunpowder was invented around 1040 Between 1670 and 1729 William Congreve developed rockets to use during wars In the 17 th C the gun was developed by the English and Dutch armies

Gunpowder was invented around 1040

Between 1670 and 1729 William Congreve developed rockets to use during wars

In the 17 th C the gun was developed by the English and Dutch armies

Printing press Was invented in 1436 by a German named Johannes Gutenberg The Bible was the first book to be mass produced It was published in 1456 in Mainz, Germany Literature spread around the world

Was invented in 1436 by a German named Johannes Gutenberg

The Bible was the first book to be mass produced

It was published in 1456 in Mainz, Germany

Literature spread around the world

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