
Everyone knows about the good old number 2 pencil. But who knows what that number 2 actually means? Have no fear, I've taken the time to research this pointless topic for your pleasure. First, a little history.Today pencils are numbered and/or lettered to tell us how hard the lead is. The higher the number, the harder the lead, and the lighter the markings. However, it wasn't always this way.The earliest pencils were made simply from filling a wood shaft with raw graphite....