Stretching the Boundaries

that is, ideas and information on Science and Technology, Archaeology, Arts and Literatures. Physics at http://physics-sparavigna.blogspot.com/

Showing posts with label Inventions. Show all posts
Showing posts with label Inventions. Show all posts
Saturday, September 22, 2012

The world's first seismometer was Chinese

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Who was the inventor of the first siesmometer?  Zhang Heng. He was  (AD 78–139) a Chinese astronomer, mathematician, inventor, geographer,...
Wednesday, December 28, 2011

Bicycles - 1897

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From The Project Gutenberg EBook of The Great Round World and What Is Going On In It, Vol. 1, No. 19, March 18, 1897, by Various INVENTION...

The searchlight - 1897

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The Project Gutenberg EBook of The Great Round World and What Is Going On In It, Vol. 1, No. 15, February 18, 1897, by Various http://www....
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Amelia Carolina Sparavigna
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