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
History of bottle recycling in the United States the taste. The first firm to successfully introduce cans was the Gottfried Krueger Brewing Company of Newark, New Jersey in 1935. Since the 12-ounce cans were much smaller and lighter than glass bottles, they could more easily be packaged and transported. However, bottlers soon started selling "one-way" bottles as well. Now, bottles and cans did not have a brand logo anymore, but an engravement that said: "No Deposit, No Return". In the early 1950s, disposable cans and bottles made up 30% of beer that was sold packaged. Technological advances made disposable bottles more prevalent, but social and economic changes were