Wednesday, January 28, 2015

How the Pencil Sharpener Was Invented

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.


Read more...




















from Gizmodo http://ift.tt/1LgTNaF

via IFTTT

No comments:

Post a Comment