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FORE:The main point in hardening and the most that can be done to avoid irregular contraction, is to apply the bath so that it will act first and strongest on the thickest parts. If a piece is tapering or in the form of a wedge, the thick end should enter the bath first; a cold chisel for instance that is wide enough to endanger cracking should be put into the bath with the head [116] downward.

FORE:To believe a fact is not to learn it, in the sense that these terms may be applied to mechanical knowledge; to believe a proposition is not to have a conviction of its truth; and what is meant by learning mechanical principles is, as remarked in a previous place, to have them so fixed in the mind that they will involuntarily arise to qualify everything met with that involves mechanical movement. For this reason it has been urged that learners should begin by first acquiring a clear and fixed conception of power, and next of the nature and classification of machines, for without the first he cannot reach the second."For me," Hetty replied. "What a strange thing!"

FORE:The Belgians left also a considerable number of dead and wounded at Wijgmaal and Rotselair. On Tuesday, September 15th, I visited the battle-fields in that neighbourhood with father Coppens, a Netherland Norbertine, born at Lieshout. The wounds of the soldiers lying there were in a most terrible condition, because the Germans forbade172 the removal of the Belgian wounded before all the German dead had been buried. In my opinion not only a proof of barbarity, but also an admission that the Germans themselves must have suffered great losses.