How the Pencil Sharpener Was Invented

For years, the knife was the most commonly used tool to sharpen the wooden writing instrument known as a pencil (which historians believe was invented in the 15th or 16th century). But whittling the wood away to eventually produce a point was a time-consuming, tedious, and inexact process. As pencils became more ubiquitous in everyday life, it became apparent that a faster and more efficient way was needed to sharpen them. Luckily, two Frenchmen were up to the challenge.
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