A practical treatise on mechanical dentistry . Fig. 128. Fig. RUBBER OR VULCANITE BASE. 309 same apparatus has stove attachment for the use of kerosene, andadmits of the use of thermometer or steam-gage. The. facility with which this vulcanizer may be operated is oneof its distinctive features. The lid, instead of being screwed on tothe boiler, is fitted neatly, and rests on a shoulder formed on thecasting, and is secured by a heavy steel clamping-bar and screw-bolt. One end of the bar is hinged to the side of the boiler, theouter end being slotted to receive the screw-bolt, which is hin


A practical treatise on mechanical dentistry . Fig. 128. Fig. RUBBER OR VULCANITE BASE. 309 same apparatus has stove attachment for the use of kerosene, andadmits of the use of thermometer or steam-gage. The. facility with which this vulcanizer may be operated is oneof its distinctive features. The lid, instead of being screwed on tothe boiler, is fitted neatly, and rests on a shoulder formed on thecasting, and is secured by a heavy steel clamping-bar and screw-bolt. One end of the bar is hinged to the side of the boiler, theouter end being slotted to receive the screw-bolt, which is hingedto the other side of the boiler. Rubber packing between the lidand the shoulder on which it rests makes the joint lid is removed by unscrewing the nut of the screw-bolt a turnor two, when the bolt drops out of the slot and the bar is turnedback, leaving the lid free to be removed. This method, while itgives as perfect a fastening as the usual plan, affords very muchgreater facility for opening and closing the boiler. Should it stick,by reason o


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903