Derwent has a long and distinguished heritage, stretching back to the discovery of graphite in the Borrowdale area in the early 1500s. Their pencils have been made in Cumbria since 1832 and generations of local craftsmen have used their unique skills to perfect the art of pencil making.
Did you know?
One of the most interesting facts about color blindness is about inheritance of the disorder. Color blindness is one of the genetic disorders in humans. As the most common form of this deficiency is related to X chromosome or color blindness chromosome, color blindness tends to be more common in males than in females. But color blindness genetics also suggest that even though women are not color blind themselves, they are very active carriers of color blindness. Interestingly, a mother is bound to pass her red-green color blindness to all her sons, but its less likely for the father to do the same.