A practical treatise on mechanical dentistry . 6o MECHANICAL DENTISTRY, Gas Crucible Furnace Without Blast. — Fig. 33 represents asmall crucible furnace that will be found very convenient for melt-ing and refining the precious and more infusible metals employedby the dentist. It takes crucibles up to by 2.]/^ inches outside,and with a three-foot chimney will melt copper, gold, silver, etc.,in about ten minutes, or cast iron in thirty minutes from the timethe gas is lighted. The construction of the burner used with this furnace is illus-trated by the sectional diagram, Fig. 34, and is thus
A practical treatise on mechanical dentistry . 6o MECHANICAL DENTISTRY, Gas Crucible Furnace Without Blast. — Fig. 33 represents asmall crucible furnace that will be found very convenient for melt-ing and refining the precious and more infusible metals employedby the dentist. It takes crucibles up to by 2.]/^ inches outside,and with a three-foot chimney will melt copper, gold, silver, etc.,in about ten minutes, or cast iron in thirty minutes from the timethe gas is lighted. The construction of the burner used with this furnace is illus-trated by the sectional diagram, Fig. 34, and is thus described: Fig. 33. Fig.
Size: 1185px × 2109px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903
