During the Industrial Revolution, British workers became tied to the clock in a way they never had before. Humans have always tried to measure time, but the importance of this task stepped up a gear during the 19th century. Now it was about controlling a workforce. And in today's economic climate of zero hours contracts and increasingly casualised employment, Emma argues this fundamental relationship between time and control is as important as ever.
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Producer: Melissa FitzGerald
A Blakeway production for BBC Radio 4