Ice trade

The ice trade, also known as the frozen water trade, was a 19th-century and early 20th-century industry, centering on the east coast of the United States and Norway, involving the large-scale harvesting, transport and sale of natural ice, and later the making and sale of artificial ice, for domestic consumption and commercial purposes. Ice was cut from the surface of ponds and streams, then stored in ice houses, before being sent on by ship, barge or railroad to its final destination around the world.

The trade was started by the New England businessman Frederic Tudor in 1806. Tudor shipped ice to the Caribbean island of Martinique, hoping to sell it to wealthy members of the European elite there, using an ice house he had built specially for the purpose. Over the coming years the trade widened to Cuba and Southern United States, with other merchants joining Tudor in harvesting and shipping ice from New England. During the 1830s and 1840s the ice trade expanded further, with shipments reaching England, India, South America, China and Australia.^[a] Tudor made a fortune from the India trade, while brand names such as Wenham Ice became famous in London. Increasingly, however, the ice trade began to focus on supplying the growing cities on the east coast of the U.S. and the needs of businesses across the Midwest. The citizens of New York City and Philadelphia became huge consumers of ice during their long, hot summers, and additional ice was harvested from the Hudson River and Maine to fulfill the demand. Ice began to be used in refrigerator cars by the railroad industry, allowing the meat packing industry around Chicago and Cincinnati to slaughter cattle locally, before sending the dressed meat onward to either U.S. domestic or international markets.

Networks of ice wagons were typically used to distribute the product to the final domestic and smaller commercial customers. The ice trade revolutionised the U.S. meat, vegetable and fruit industries, enabled significant growth in the fishing industry, and encouraged the introduction of a range of new drinks and foods. It only flourished in the time between the development of reliable transportation and the development of widespread mechanical refrigeration. Chilled refrigerator cars and ships created a national industry in vegetables and fruit that could previously only have been consumed locally. U.S. and British fishermen began to preserve their catches in ice, allowing longer voyages and bigger catches, and the brewing industry became operational all-year round. As U.S. ice exports diminished after 1870, Norway became a major player in the international market, shipping large quantities of ice to England and Germany.

At its peak at the end of the 19th century, the U.S. ice trade employed an estimated 90,000 people in an industry capitalised at $28 million ($660 million in 2010),^[b] using ice houses capable of storing up to 250,000 tons (220 million kg) each; Norway exported a million tons (910 million kg) of ice a year, drawing on a network of artificial lakes. Competition had slowly been growing, however, in the form of artificially produced plant ice and mechanically chilled facilities. Unreliable and expensive at first, plant ice began to successfully compete with natural ice in Australia and India during the 1850s and 1870s respectively, until, by the outbreak of World War I in 1914, more plant ice was being produced in the U.S. each year than naturally harvested ice. Despite a temporary increase in production in the U.S. during the war, the interwar years saw further developments (especially the widespread adoption of mechanical refrigerators at the domestic level) which caused the total collapse of the international ice trade. In some isolated rural areas without access to electricity, the lack of which precluded the use of refrigerators, and also where plant ice was typically not economically viable and where natural ice was usually free of pollutants, ice continued to be harvested and sold at the local level until after World War II. Today, ice is occasionally harvested for ice carving and ice festivals, but little remains of the 19th-century industrial network of ice houses and transport facilities.

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