Last (measure)
Encyclopedia
A last was a medieval measure of gunpowder used mainly in England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It was defined by the English Ordnance Board as 24 barrels of gunpowder, each of 100lbs net weight.
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