description About
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.
Info
- verified Status: Returning Series
- person By: Unknown
- calendar_month Release Date: 2019-03-19
- video_camera_front Companies Voltage TV
- tag Season: Season 4
- timer Episode Runtime: 59 Mins
- star Rating: 0 / 10
- visibilityViews: 4 views
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