not long edough to project at both the other hand), Other modifications of these may be used Therefore, D F=—95 98 —95=0'98; and, therefore, the per- ends beyond where it is possible for the products of com- to conform to the tool or piece required to be tempered. pendiculars must be 0‘98 x 2=1°96… … the other lines may be laid off 1:96 inches from each other to infer; but I do insist that, with any process whatever in color produced by the entrance of these gases. If it be long whichthe color is taken as a guide, it must be taken into ac- as described— enough to exclude the gases, and its…
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