Midland Railways Milk & Fish Depot, Sommerstown, London, c 1894. [Getty Images]

UNITED KINGDOM - JUNE 19: Before the advent of motor traffic, the railways made extensive use of horses for collection and delivery to and from their stations. Sommerstown Milk & Fish Depot, alongside St Pancras Station is now the site of the British Library. (Photo by SSPL/Getty Images)

SSPL Science & Society Picture Library