Inside the Factory S04E08 · Pencils

Overview

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.

Torrents

Subtitles

Episodes

1. 1 1. Coffee2018-07-17 · 59mHow a factory in Derbyshire produces 175,000 jars of instant coffee every day, from green coffee beans to the freeze-dried final product. How roasting alters the chemical compositi
2. 2 2. Toilet Roll2018-07-24 · 59mHow a factory in Manchester produces 700,000 toilet rolls a day starting with spruce timber offcuts from Sweden, pulped and rolled onto 1.2-tonne 'mother reels'. How the water trea
3. 3 3. Sausages2018-07-31 · 59mHow a factory in North Yorkshire produces 625,000 sausages a day, using machines that can fill 600 sausages in a minute. How low and slow shallow frying delivers the best combinati
4. 4 4. Curry2018-08-14 · 59mHow a factory in Nottinghamshire produces 250,000 jars of curry sauce each day. How chillies are harvested on small farms in India, dried, packed down, and processed into chilli po
5. 5 5. Potato Waffles2019-02-26 · 59mHow a factory in Lowestoft produces 450 tonnes of frozen food each day. The differences between waxy and floury potatoes, and which you should use for which job. How the potato's n
6. 6 6. Pizza2019-03-05 · 59mHow a factory in Italy produces 400,000 frozen pizzas each day. The science that makes mozzarella work so well on pizza. How pork is transformed into pepperoni. How freezer ships a
7. 7 7. Beer2019-03-12 · 59mHow Britain's biggest brewery produces 3 million pints of beer a day in Burton upon Trent. How four basic ingredients – water, malted barley, hops and yeast – are manipulated to ma
8. 8 8. Pencils2019-03-19 · 59mGregg 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. Histori
9. 9 9. Cheese2019-03-26 · 59mHow a cheese factory in Gateshead produces 3,000 tonnes of spreadable cheese every year - making cheddar, chopping and blending it with whey, water, and other ingredients. How bact