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Subject: irrigation Помогите, кто знает : Не понимаю Donum irrigatedNina K |
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Это мера площади: The unit of land measurement used in the village is the “donum”, the amount a pair of oxen can plough in a day. This highly variable unit is in practice roughly standardised as sixty paces by sixty paces. Taking a pace as a yard, this makes a donum 3,600 square years, or three quarters of an acre. The Government donum is a decare, roughly a quarter acre. The villagers say that their donum equals two government donum, which would indicate that three quarters of an acre is too high, so I take one donum as two thirds of an acre. http://lucy.ukc.ac.uk/Stirling/Thesis/StirlingThesis_136.html Тут более определенно: |
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