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Spanish Weights

The Castilian Marca is 7 ounces 3.16 dwts. Troy. 1 Marca 1 Onza 1 Ochave = 8 Onzas 8 Ochaves = 72 Granos The quintal is equivalent to 101 pounds avoirdupois. 1 Quintal 1 Arroba 1 Quintal Macho of 431 Troy grains. = 4 Arrobas - 25 Libras = 6 Arrobas 1 Stab or Staff = 2 Ells 1 Ell 16,000 Feet = 2 Feet 1 Hour or Mile The Swiss mile is consequently a trifle over English miles.