. The Dental cosmos. lid is heldimmovably in its seat andperfect vulcanization issure. The handling of thelid of the S. S. WhiteVulcanizer is a featureunapproached in conven-ience and lid is attached by alink mechanism to acrane swinging from thejacket collar, and thewhole is operated by acam lever, which liftsand lowers the lid, swingsit to one side, and centersit on its seat. The linkmechanism has a very _:fine adjustment and as-sures a perfect fit between lid and pot collar. The operator neednever soil his hands in managing the lid, and the lid will never pickup dirt to caus


. The Dental cosmos. lid is heldimmovably in its seat andperfect vulcanization issure. The handling of thelid of the S. S. WhiteVulcanizer is a featureunapproached in conven-ience and lid is attached by alink mechanism to acrane swinging from thejacket collar, and thewhole is operated by acam lever, which liftsand lowers the lid, swingsit to one side, and centersit on its seat. The linkmechanism has a very _:fine adjustment and as-sures a perfect fit between lid and pot collar. The operator neednever soil his hands in managing the lid, and the lid will never pickup dirt to cause a misfit. The dirt and uncleanliness of vulcanizingare eliminated. 2=case Vulcanizer for Gas or Alcohol $ Kerosene 3=case Gas or Alcohol Kerosene Prices include complete equipment: 2 wrenches, 1 pot lifter, 2 (or 3) iron Starflasks, 1 extra packing, 1 box safety=caps, 1 box soapstone, with gas, alcohol, orkerosene burner, as ordered. Full details in our Vulcanizing Catalog, free on your call. THE S. S. WHITE DENTAL MANUFACTURING CO. Decembeb 1914] ADVERTISEMENTS 21 LAWRENCESAMALGAM Many dentists have usedLawrences Old KeliableAmalgam throughout long-term practices with entiresatisfaction to themselvesand their patients. One ofthe oldest alloys,—more thana half century before thedental profession,— alwayskept to the highest up in envelopes, oneounce and half ounce. Per ounce $; in 5=ouncelots, per ounce $ The S. S. WhiteDental Manufacturing Company Sole Sales Agent I DentistsShouldWrite for our booklet B onthe Use of Bacte-rial Vaccines in Den-tistry. It tells ofa positive treatmentfor pyorrhea alveo-laris that has neverfailed to get results, and ex-plains how dentists may fitthemselves to specialize in thetreatment of this means added rep-utation and better fees. INDIANAPOLISBACTER1N LABORATORY 5462 E. Washington , Ind. ENLARGING R00T= CANALS II The rational way to enlarge root-canals is to us


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Keywords: ., bookcentury1900, bookdecade1910, bookiddent, booksubjectdentistry