| http://www.w3.org/ns/prov#value | - FIGURE 8 is a side elevation, in half section, on the scale of FIGURE 4, showing a cartridge of the invention within a percolator basket and encircling the percolator riser stem, FIGURE 9 is a slightly enlarged perspective view, in half section, showing the inner wall, or sleeve of yielda- 'ble material with its tongued flanges.
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