Canning novelty. Early methods of manufacture employed poisonous lead solder for sealing the cans. Studies in the 1980s attributed the lead from the cans as a factor in the disastrous outcome of the 1845 Franklin expedition to chart and navigate the Northwest Passage. Later studies found this to be false. Increasing mechanization of the canning process, coupled with a huge increase in urban populations across Europe, resulted in a rising demand for canned food. A number of inventions and improvements followed, and by the 1860s smaller machine-made steel cans were possible, and the time to cook food in sealed cans had
Campbell's Soup Cans Ted Carey—one of Warhol's commercial art assistants in the late 1950s—it was Muriel Latow who suggested the idea for both the soup cans and Warhol's early U.S. dollar paintings. Muriel Latow was then an aspiring interior decorator, and owner of the Latow Art Gallery in the East 60s in Manhattan. She told Warhol that he should paint "Something you see every day and something that everybody would recognize. Something like a can of Campbell's Soup." Ted Carey, who was there at the time, said that Warhol responded by exclaiming: "Oh that sounds fabulous." According to Carey, Warhol went to a