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Alexander Graham Bell's Tetrahedral Obsession

Oobject put together a neat compilation of the famous telephone inventor's love for tetrahedrons. Scroll down to see his collection of pyramids, building towers, buildings, boats, kites and planes—all made completely out of tiny tetrahedrons. Amazing.

Men observing a circular flying object in a field.

Historical photograph of a person working on a large geometric wooden structure.

Historic construction: workers observing a large structure being lifted.

Bell Tetrahedral Kite on a snowy landscape.

Click through for more.

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