...inner surface of the cork, should extend from 3 to 4 Cm. beyond the outer surface of the cork, and should be provided with a closely fitting rubber tube,...above the surface of the menstruum in the percolator, a rubber band holding the tube in position. " The shape of a percolator should be adapted to the nature...

...should be provided with a closely fitting rubber tube, at least one-fourth Fio. 218.— Percolator, longer than the percolator itself, and ending in another...above the surface of the menstruum in the percolator, a rubber band holding the tube in position. "The shape of a percolator should be adapted to the nature...

...inner surface of the cork, should extend from 3 to 4 Cm. beyond the outer surface of the cork, and should be provided with a closely fitting rubber tube, at least one-fourth FIG. 2,8-Percolator. jQnger than the percolator jtself and ending in another short glass tube, whereby...

...inner surface of the cork, should extend from 3 to 4 cm. beyond the outer surface of the cork, and should be provided with a closely fitting rubber tube,...another short glass tube, whereby the rubber tube rnay be so suspended that its orifice shall be above the surface of the menstruum in the percolator,...

...inner surface of the cork, should extend from 3 to 4 cm. beyond the outer surface of the cork, and should be provided with a closely fitting rubber tube,...above the surface of the menstruum in the percolator, a rubber band holding it in position. "The percolator is prepared for percolation by gently pressing...