| http://www.w3.org/ns/prov#value | - This invention relates to certain improve ments in an apparatus which may be used for filtering liquids by causing them to pass through the charcoal or other filtering material, in either a centripetal or centrifugal manner or direction; and it consists in certain novel arrangements of the receiver or distributer, and in certain novel combinations of parts, which will be fully hereinafterdescribed
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