megalithic yard

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A unit of measurement proposed by Professor Alexander Thom in 1962 as being the yardstick used in setting out stone circles and other similar structures characteristic of the later Neolithic and early Bronze Age in northwest Europe. Equal to 0.829 m or 2.72 feet, Thom deduced the existence of a standard measure from the systematic metrical analysis of over 40 stone circles. While it is generally accepted that some standard measurement was used in the construction of stone circles, few agree that such a specific standard measurement could have been adopted throughout Atlantic Europe.

Subjects: Archaeology.

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