21 percent. Cathedral also shows such whetstone attached to one of the given course,,the center of the protractor is made to and Rhenish ‘‘ double glass” together, with the same cheek pieces of the handle, but removed from the knife. coincide with the beginning point of such course on interval,… … ishing it is reduced to six or seven sixteenths. The PROTRACTOR. beyond the chambered plate which receives the whet- casting tables are mounted on wheels, and run on a stone, and have studs with notches for receiving a track that reaches every furnace and annealing oven fastening slidé, shown in…
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