The “lead” of the pencils, is graphite, this graphite was discovered near Cumbria, England, sometime in the early-mid 1500s. #pencil
The “lead” of the pencils, is graphite, this graphite was discovered near Cumbria, England, sometime in the early-mid 1500s. #pencil
by facts | Jul 31, 2014 | Tweets | 0 comments
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