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For example, in detecting a dissimilar coin in three weighings ( = ), the maximum number of coins that can be analyzed is = .Note that with weighings and coins, it is not always possible to determine the nature of the last coin (whether it is heavier or lighter than the rest), but only that the other coins are all the same, implying that the last coin is the ...
Bronze sculptures (9 C, 118 P) Bronzeware (3 C, 32 P) C. Bronze coins (5 P) Pages in category "Bronze objects" The following 22 pages are in this category, out of 22 ...
From contemporary records, we know the earliest Portuguese were made in Antwerp for the monarch and possibly other places, and are about 240 millimetres (9.4 in) long, about 13 millimetres (0.51 in) gauge, weighing 600 grams (21 oz) in 1529, though by 1548 the dimensions and weight were reduced to about 250 grams (8.8 oz)-280 grams (9.9 oz). In ...
Islamic coin weights were made of bronze, iron, and later glass (considered to be unalterable). [1] They bear inscriptions related to Islamic rulers and moneyers and are therefore valuable epigraphical objects. [1] Coins weights were also known in the Carolingian Empire, where they were stamped with regular coin dyes to clarify their ...
A Scandinavian steelyard is a variant which consists of a bar with a fixed weight attached to one end, a movable pivot point, and an attachment point for the object to be weighed at the other end. Once the object to be weighed is attached to its end of the bar, the pivot point, which is frequently a loop at the end of a cord or chain, is moved ...
The best-attested of these is the perch, which varied in length from 10 to 25 feet, with the most common value (16 1 ⁄ 2 feet or 5.03 m) remaining in use until the twentieth century. [1] Later development of the English system continued in 1215 in the Magna Carta. [2] Standards were renewed in 1496, 1588 and 1758. [3]
[12] Therefore, the distribution of hammerscale is not only able to aid in the location items within a workshop, but can also inform scholars of where the smiths themselves stood. Smithy discoveries involving hammerscale are well documented and generally a high presence of hammerscale is considered sufficient to identify a find as a smithy.
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic or silicon).