Season 4 · Episode 8
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Pencils
Tue, Mar 19, 2019
·
59 min
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.
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Airs
Tue, Mar 19, 2019
59 min
Show
Inside the Factory
75 episodes
Episode
S4 · E8
in Inside the Factory
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S4 · E9
Cheese
Tue, Mar 26, 2019