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Luckily, there's an easy solution that'll get your copper looking like a shiny penny in no time. Lemon and salt rank as an all-star combination for cleaning cutting ... to put to two ingredients ...
During World War II, the U.S. Mint switched to zinc-coated steel pennies to conserve copper for military use. However, a small number of 1943 pennies were mistakenly struck in copper ...
A copper penny is heated and ... Grasp the nichrome wire 8" - 10" above the penny and hold the penny in the flame of a Bunsen burner or torch flame until it is red hot. Position the wire so that the ...