Arunima Datta

Mahomed’s Baths on Brighton seafront, c.1820 © Hulton Getty Images.

Shampooing was brought to Britain by a Bengali immigrant who knew his craft – and how to sell it.

Three Indian men on a verandah pulling punkha strings, c.1900 © Royal Society for Asian Affairs, London/Bridgeman Images

Sweltering British imperialists relied on an army of fan bearers, whose stories are as invisible as the air they circulated.