Illustration of a lemonade vendor from ‘London: a pilgrimage’ by Blanchard Jerrold and Gustave Doré, 1872. Henry Mayhew in ‘London Labour and the London Poor’ (1861) records that lemonade was made from a mixture of carbonate of soda, tartaric acid, sugar and essence of lemon. The best sellers mixed the powder with spring water kept cool in stoneware jars. However, this seller appears to have ready-mixed lemonade in a barrel. On a good day a vendor to take 3s 6d, of which 2s to 2s 6d was profit.