More or Less - A guide to imperial measures - from barleycorn to Roman mile - ÃÛÑ¿´«Ã½ Sounds

More or Less - A guide to imperial measures - from barleycorn to Roman mile - ÃÛÑ¿´«Ã½ Sounds


A guide to imperial measures - from barleycorn to Roman mile

Tim Harford asks mathematician Matt Parker for his guide, starting with barleycorns.

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