| http://www.w3.org/ns/prov#value | - First, because they do not use the apparatus described in the complainant's patent; but use a boiler in which the charge of fat and other materials is placed and heated; and do not mix the fat and water in the manner pointed out in the specification of the patent, but, on the contrary, have inserted in the boiler a pump which forces the water as it settles to the bottom upwards to the top of the m
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