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A Sketchy History Of Pencil Lead

When we say pencil lead, we mean graphite, because that’s what a pencil has inside. In this video, we find out where graphite comes from and how it gets into the middle of a pencil. (YouTube link) All interesting stuff, but now I want to know about the part they left out. Who’s idea was it to encase graphite in wood to make a pencil? -via The Kid Should See This
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