enotes a fixed quantity of certain commodities. A burden of gad-stone is two score, or 120 pounds.

Burden of a Ship is its contents, or number of tons it will carry. The burden of a ship may be determi- ned thus: Multiply the length of the keel, taken with- in board, by the breadth of the ship, within board, ta- ken from the midship-beam, from plank to plank; and

Vol. III. Part II. multiply the product by the depth of the hold, taken from the plank below the keelson, to the under part of the upper deck plank; and divide the last product by 94: the quotient is the content of the tonnage required. See Freight.