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A nickel is a five-cent coin struck by the United States Mint. Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866. Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm). The silver half dime, equal to five cents, was issued from 1792 to 1873 before today's cupronickel version.
Nickel 21.21 mm 5 g 1942–1945 Twenty Cent 22 mm 5 g 1875–1878 $5 Half Eagle 21.6 mm 8.36 g ... Some variances in coin size and weight occurred over time ...
Jefferson nickels have been minted since 1938 at the Philadelphia and Denver mints and from the San Francisco mint until 1970. Key dates for the series include the 1939-D, and 1950-D nickels. The 1939-D nickel with a mintage of 3,514,000 coins is the second lowest behind the 1950-D nickel.
The Liberty Head nickel, sometimes referred to as the V nickel because of its reverse (or tails) design, is an American five-cent piece. It was struck for circulation from 1883 until 1912, with at least five pieces being surreptitiously struck dated 1913. The obverse features a left-facing image of the goddess of Liberty.
Nickel is a chemical element; ... For example, the amount of nickel leached after 10 cooking cycles into one serving of tomato sauce averages 88 μg. [122] [123]
Modern American dollars contain a small amount of manganese. Magnesium: Magnesium-aluminum coins were issued in 1943 for the Lodz Ghetto mark in Poland. Magnesium is a minor additive in many aluminum coins; this alloy is called magnalium. Nickel: Used unknowingly in alloys since antiquity. The first pure nickel coin was the Swiss 20 Rappen of 1881.
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Cryptic crosswords often use abbreviations to clue individual letters or short fragments of the overall solution. These include: Any conventional abbreviations found in a standard dictionary, such as: