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
It's All True (film) total recovery came to 309 cans of black-and-white nitrate negative and five cans of unidentified positive film. The AFI presented the material to the UCLA Film and Television Archive. In May 1982, approximately 47 seconds of footage from "It's All True" was broadcast on the BBC-TV series "Arena", in a documentary titled "The Orson Welles Story". "It's a tiny roll of disconnected Technicolor shots," producer-narrator Leslie Megahey says as the silent film is presented. "We found this roll with the help of an archivist at RKO in a Hollywood film library, labelled as stock footage of the Carnival. Welles himself