Series 4 · Episode 8
Pencils
Gregg Wallace is in Germany at a historic pencil factory where they produce 600,000 writing implements a day. Cherry Healey examines the astonishing properties of graphite. Historian Ruth Goodman traces the origin of pencils to a 15th-century graphite discovery in the Borrowdale valley.
Community
–
No ratings 0 likes
Log in to rate episodes.
Episode reviews
No reviews for this episode yet.