Tag Archives: Indelible Pencils

Copying Pencils, Indelible Pencils, and the Excluded Middle

Sometime around 1923, the Eberhard Faber Company wanted everyone to know the difference between indelible pencils and copying pencils. To that end, they offered this explanation to the stationery trade: Perhaps I’ve misinterpreted the description, but I’m left with the … Continue reading

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