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1 Jan 1812 Jahr - The first American wood pencils were made.

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By Dmgerman at en.wikipedia [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], from Wikimedia Commons

Zugefügt zum Band der Zeit:

A Brief History of Educational Technology

18 Sep 2017

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1 Jan 1812 Jahr

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~ 213 years ago

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