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  2. Coin base weight - Wikipedia

    en.wikipedia.org/wiki/Coin_base_weight

    14 Thaler standard (16.7 grams) 18 1 ⁄ 2 Thaler standard (12.6 grams) 24, later 24 1 ⁄ 2 Gulden standard (9.5 grams of silver per Gulden) 34 Mark standard (6.9 grams of silver per Mark). The weight shown was the fine silver content in each case. This meant that the total weight of these coins could be higher due to the addition, especially ...

  3. American Buffalo (coin) - Wikipedia

    en.wikipedia.org/wiki/American_Buffalo_(coin)

    The design of the American Buffalo gold bullion coin is a modified version of James Earle Fraser's design for the Indian Head nickel (Type 1), issued in early 1913. After a raised mound of dirt below the animal on the reverse was reduced, the Type 2 variation continued to be minted for the rest of 1913 and every year until 1938, except for 1922, 1932, and 1933 when no nickels were struck.

  4. United States Mint coin sizes - Wikipedia

    en.wikipedia.org/wiki/United_States_Mint_coin_sizes

    The silver-colored Susan B. Anthony dollar was replaced with gold-colored Sacagawea dollar in 2000 and Presidential Dollars 2007-2016; though the composition changed, the coin's size and weight remain the same. Some variances in coin size and weight occurred over time, especially as the value of silver varied.

  5. American Buffalo silver dollar - Wikipedia

    en.wikipedia.org/wiki/American_Buffalo_silver_dollar

    The American Buffalo silver dollar is a commemorative silver dollar issued by the United States Mint in 2001. [1] The coin commemorates both the National Museum of the American Indian and the Buffalo nickel , the latter serving as the basis for the dollar's design.

  6. Metric Act of 1866 - Wikipedia

    en.wikipedia.org/wiki/Metric_Act_of_1866

    10,000 grams; [10 kilograms] 10 liters: 22.046 pounds Kilogram: 1,000 grams: 1 liter: 2.2046 pounds Hectogram: 100 grams: 1 deciliter: 3.5274 ounces Dekagram: 10 grams: 10 cubic centiliters: 0.3527 ounces Gram: 1 gram: 1 cubic centiliter: 15.432 grains Decigram: 1 ⁄ 10 gram: 1 ⁄ 10 cubic centiliter: 1.5432 grains Centigram: 1 ⁄ 100 gram ...

  7. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    An overview of ranges of mass. To help compare different orders of magnitude, the following lists describe various mass levels between 10 −67 kg and 10 52 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe.

  8. Grammage - Wikipedia

    en.wikipedia.org/wiki/Grammage

    In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m 2).This quantity is commonly called grammage in both English and French, [2] though printers in most English-speaking countries still refer to the "weight" of paper.

  9. Pennyweight - Wikipedia

    en.wikipedia.org/wiki/Pennyweight

    In the Middle Ages, an English penny's weight was literally, as well as monetarily, 1 ⁄ 20 of an ounce and 1 ⁄ 240 of a pound of sterling silver. At that time, the pound unit in use in England was the Tower pound, equal to 7,680 Tower grains (also known as wheat grains). The medieval English pennyweight was thus equal to 32 Tower grains.