. Transactions . No. 1. develop a certain amount of cohesion when annealed. A cohe-sive foil on the contrary is rendered so sticky by annealing that amere touch will unite two pieces, while a blow or heavy pressure. ^jMHl No. 2. will make them become as if of one piece. These differingproperties of the gold as it comes to our hands from the dealers,are fixed and unchanging and must be carefully borne in mind as HOW SHALL WE BEST INSERT A GOLD FILLING. 123 they make the two kinds of gold almost exact opposites in workingproperties. I believe that cohesive gold is now in far more general use

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectdentist, bookyear1865