The Industrial Revolution saw an increase in the availability of take-out food. By the early 20th Century, fish and chips was considered an "established institution" in Britain. The hamburger was introduced to America around this time. The diets of industrial workers were often poor, and these meals provided an "important component" to their nutrition. In India, local businesses and cooperatives, had begun to supply workers in the city of Bombay (now Mumbai) with tiffin boxes by the end of the 19th century.