"Another one to you," said Bruce. "I did an old Dutch picture recently. But how on earth you managed----"Tempering, as a term, is used to comprehend both hardening and drawing; as a process it depends mainly upon judgment instead of skill, and has no such connection with forging as to be performed by smiths only. Tempering requires a different fire from those employed in forging, and also more care and precision than blacksmiths can exercise, unless there are furnaces and baths especially arranged for tempering tools.
ONE:Through long experience, their deliverance brought,The seaplane is almost down on the waterand coming like an arrow toward that white preserver! gasped Dick. Will its wings hit the yacht?
"Swift and sure," she said, "it's prussic----""You were. Why? I was quite certain----"If she could only gain time! If she could only manage to throw dust in the eyes of this man! She would ask no questions, because that would be only by way of making admissions. She must feel her way in the dark.By placing the axes of tangent gearing so that the threads or teeth of the pinions are parallel to the face of the driven teeth, [53] as in the planing machines of Messrs Wm. Sellers & Co., the conditions of operation are changed, and an interesting problem arises. The progressive or forward movement of the pinion teeth may be equal to the sliding movement between the surfaces; and an equally novel result is, that the sliding action is distributed over the whole breadth of the driven teeth.