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Irish measure or plantation measure was a system of units of land measurement used in Ireland from the 16th century plantations until the 19th century, with residual use into the 20th century. The units were based on " English measure " but used a linear perch measuring 7 yards (6.4 m) as opposed to the English rod of 5.5 yards (5.0 m).
The basic unit of area was the tir-cumaile, "land of three cows", as it was an area of land that was at some point worth three cows.It is sometimes erroneously interpreted as the area needed to graze three cows, but it is far too large for that; in modern Ireland, a cow grazes on about 0.4 ha, so twenty or more could graze a tir-cumaile.
Irish measure; C. Cow's Grass; I. Irish acre; Irish mile; Irish units of measurement; M. Metrication in Ireland; N. Naggin This page was last edited on 14 July ...
Metrication in the Republic of Ireland happened mostly in the 20th century and was officially completed in 2005, with a few exceptions.. The island of Ireland gradually adopted the British imperial measurement system, fully replacing traditional Irish measure during the 19th century, and these units continued to be used after the independence of the Irish Free State (1922) and the ...
It was usually used to measure depth, tunnel driving and the size of mining fields; it was also used for contract work. In mining in the German-speaking countries, it was the primary unit of length. Ligne – a French unit of length, roughly equal to 2.25 mm (0.089 in), or 9 points; Line; Macedonian cubit; Pace; Palm; Parasang; Pes
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.
Detail of a cubit rod in the Museo Egizio of Turin The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for ...
The distortion of Ireland's economic statistics (including GNI, GNP and GDP) by the tax practices of some multinationals, led the Central Bank of Ireland to propose an alternative measure (modified GNI or GNI*) [39] to more accurately reflect the true state of the economy from that year onwards. [40] [41]