Wood's Medical and Surgical Monographs . Fig. 23.—Chamberlands FilterWITH One Bougie. Fig. 24.—Household Filter with Three Bougies,FOR Universal Application. city as well as in the country (see Fig. 24), It consists of abucket pierced by a lateral opening; into this bucket is plung-eda battery of three bougies, to which is fitted an abducting-tube, passing through the lateral opening, and the closure ofwhich is completed bj^ means of a stopper ad hoc. The bucketis filled with water, so as to cover the bougies; the waterslowly penetrates into the filter, driving the air before it; thebougies fi
Wood's Medical and Surgical Monographs . Fig. 23.—Chamberlands FilterWITH One Bougie. Fig. 24.—Household Filter with Three Bougies,FOR Universal Application. city as well as in the country (see Fig. 24), It consists of abucket pierced by a lateral opening; into this bucket is plung-eda battery of three bougies, to which is fitted an abducting-tube, passing through the lateral opening, and the closure ofwhich is completed bj^ means of a stopper ad hoc. The bucketis filled with water, so as to cover the bougies; the waterslowly penetrates into the filter, driving the air before it; thebougies filled, the liquid gains the abducting tube of narrowdiameter, and it forms a descending column capable of pro-ducing very strong suction if the vessel in ^vilich the pure 520 Bacteriological Analysis of Water. water is collected is situated just under the bucket. One ortwo metres difference in level enable one to obtain with suffi-cient rapidity the volume of filtered water desired. This ap-paratus is very simple and works automatica
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyork, bookyear18
