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invented in 1450 by Leon Battista Alberti
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It was made during the years 1490-1492 by Martin Behaim and Georg Glockendon
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microscope may have been invented by eyeglass makers in Middelburg, The Netherlands, invented sometime between 1590 and 1610
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first balloon was launched in December, 1782
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Bubblegum was invented by Frank Henry Fleer in 1906
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The LEGO toy company was founded by Ole Kirk Christiansen of Denmark in 1932
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Play-Doh, a popular children's modeling clay, was invented by Noah W. McVicker and Joseph S. McVicker. They patented Play-Doh in 1956
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The first cellular phone was made in the 1960's.
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the first iPhone was made byu Steve Jobs on June 29,2007
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The first electric light bulb was made in 1800 by Humphry Davy
