The history of the paper clip: It was invented in 1899. It hasn't been improved upon since.

The paper clip is something of a fetish object in design circles. Its spare, machined aesthetic and its inexpensive ubiquity landed it a spot in MoMA’s

SMALL IDEAS THAT CHANGED THE WORLD: THE PAPER CLIP

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Timeline of United States inventions (1890–1945) - Wikipedia

The History of the Ever Versatile Paper Clip

SchoolHistory.co.uk - online history lessons, revision, games, worksheets, quizzes and links.

The Week's Links: May 15, 2015 — Smarter Creativity

Paper Clips

Did they have cameras in 1899? - Quora

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