Who Invented the Pencil? | Mental Floss
What Makes a No. 2 Pencil Different?
When Were Pencils Invented? - Quality Logo Products
Pencils vs Mechanical Pencils – The Eagle Angle
Pencils
A Short Sharp History of the Pencil - Kit Kemp
What Makes #2 Pencils So Special? | Mental Floss
DMP - Dave's Mechanical Pencils: Noisy Lead - Lead Composition
America's Pencil: The Dixon Ticonderoga | Rare & Vintage Brand Name Pencils
What Are the Different Types of Pencil Lead? - Quality Logo Products
Why is lead used in pencils even though lead is poisonous? | Science Questions with Surprising Answers
How to Choose the Best Mechanical Pencil | Artists Network
The Pencil Case: A Brief History – Khambay's Words, Words, Words
Castell 9000 graphite pencil, HB
Why Pencil "Lead" is Called "Lead"
Kicking it old school: the history of the pencil, paper and eraser | Articles | CBC Kids
All About Pencil Lead – The Paper Mouse
Testing 150 YEAR OLD Lead Pencils..(do they still work?) - YouTube
Pencils
Origins of the Mechanical Pencil - Bleistift
The Write Stuff: How the Humble Pencil Conquered the World
20 Things You Didn't Know About Pencils | Discover Magazine
Ever wondered about the lead in pencils? - The Washington Post
What Is Pencil Lead Really Made Of? | Pens.com
Fettstifte: Alles, was Sie wissen müssen
Pencils and Pencil "Lead" - Missouri Poison Center
