Pencils - S4.E8 - Inside the Factory
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.
Pencils - S4.E8 - Inside the Factory
March 19, 2019
Reviews
There are no reviews for this tv episode yet.
Video reviews
0 review(s)
Text reviews
0 review(s)