sing each other require a keen cutting tooth; they may after such use that there are no peculiarities in the formation or shape of are called double cut. This form is shown in figure 21. be made to do good execution upon narrower surfaces of the tooth of a file as made by hand that cannot be made… … we: — ES PT nua per Rot tools in general use. use than other forms. the file best suited for general purposes is not so well A mistaken idea prevails with some that a good tooth can Scale, sand, and chilled edges should be removed from * Froma “ Treatise on Files and Rasps,”’ published by the…
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