ese devices on a the passage of trains over it, is to be subjected toa load of crusting and foreign matter of the wood is destroyed. hollow shaft has a tendency to collapse or indent it, and ren- 5,000 pounds per lineal foot, without deflecting in any part As the result of his experiments he… … the difficulty with the red spective view of a pulley fumes of nitrous acid that with one of the rings de- produced a most deleterious effect upon the workmen. After tached ; Fig. 2 an axial section with both rings in place, and more than one inch on any of the spans, and when removed Fig. 3 a…
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