From 3000-year-old Chinese oracle bones to Penguin paperbacks of the 20th century, the collections at Cambridge University Library chart the technological revolutions that have changed the world around us.

The objects in the film all feature in the Library's spectacular new exhibition Lines of Thought: Discoveries that Changed the World

- See more at: http://www.cam.ac.uk/news/lines-of-thought-revolutions-in-communications#sthash.N7v4PP1M.dpuf