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 painting other pop art, including Martinson's coffee cans, Coca-Cola bottles, S&H Green Stamps, and Campbell's Soup cans, he soon became known to many as the artist who painted celebrities. He returned to Blum's gallery to exhibit Elvis and Liz in October 1963. His fans Dennis Hopper and Brooke Hayward (Hopper's wife at the time) held a welcoming party for the event. Since Warhol gave no indication of a definitive ordering of the collection, the sequence chosen by MoMA (in the picture at the upper right of this article) in the display from their permanent collection reflects the chronological order in