. The Pharmaceutical era. ame greater luminosity. The chief limitation to the use of water gas is thefact that it is manufactured in only a few sections otthe country. Stoves and Burne-s for Burning Gas.—In gas burners andstoves intended for heating purposes, the parts are so arranged that thegas is mixed with anabundant supply ofair before it issuesfrom the burner. Theflame has thus withinit a sufficient supplyof oxygen to combinewith all of the com-bustible elementspresent as fast asthey are heated tothe point of burners giveflames which arecolorless or nearly intensely


. The Pharmaceutical era. ame greater luminosity. The chief limitation to the use of water gas is thefact that it is manufactured in only a few sections otthe country. Stoves and Burne-s for Burning Gas.—In gas burners andstoves intended for heating purposes, the parts are so arranged that thegas is mixed with anabundant supply ofair before it issuesfrom the burner. Theflame has thus withinit a sufficient supplyof oxygen to combinewith all of the com-bustible elementspresent as fast asthey are heated tothe point of burners giveflames which arecolorless or nearly intensely hot, anddo not deposit sootupon the objects withwhich they come incontact. The sim-plest burner of thisdescription is thewell known BunsenBurner (Fig. 26),Fig. 26.—Bunsen Burner. which consists of a cylinder 10 to 15 centimeters high, and having at thebottom a small jet through which the gas enters. At apoint level with the jet the cylinder is pierced at oppositesides with holes through which the inrush of gas through.


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Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1