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What is the real origin of the paper clip? Who is responsible of this little invention? Find out why it is a norwegian symbol of patriotism with OpenMind
Top 10 Inventions of the Industrial Revolution - World History Encyclopedia
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SMALL IDEAS THAT CHANGED THE WORLD: THE PAPER CLIP
The Origins Of The Humble Paperclip Will Surprise You
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Paper clip - Wikipedia
Inventors and Inventions of the Industrial Revolution: Stories & History, Britannica
130 Kids inventions ideas projects for kids, science for kids
The Index of Patented Inventions Registered Trade Marks Designs La bels am. Prints which usually appears on this page is this week omitted the United States Patent Office being unable to supply
Cat Game - Today we celebrate a small but unusually useful invention, the Paper Clip. The day celebrates the well-known piece of curved wire that keeps our papers together and helps us
The history of the paper clip: It was invented in 1899. It hasn't
Great Little Inventions: the Paper Clip
The History and Key Facts about the Inventor of the Paper Clip - Discover Walks Blog
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