Just a simple question help please

History
Tutor: None Selected Time limit: 1 Day

A list of interesting inventions that was invented between 1850 and 1900
Feb 9th, 2015

http://www.krysstal.com/display_inventions.php?years=1850+to+1900

This is a list of inventions from that time period. Hope it helps!

Feb 9th, 2015

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Feb 9th, 2015
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Feb 9th, 2015
Dec 8th, 2016
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