p in such position that its It will be observed that the center bearing is left intact, series, and th(;ir direction with the head outward, suggested tapering end projects into and slides in the stuffing box. and the part of the shaft exposed to the oil hole is carried that they had been introduced… … us, this method was employed by Smee nearly forty years PISTON ROD 8TUTPING BOX. ago, and has often been adopted since.—Lancet. COLLET'Si IMPROVED STEP BOX. spring is interposed as shown. This spring is <>! such IMPROVED AUTOMATIC FAN. strength that it presses the cup tightly on the pa(;king as SO…
Patented · Patents · Improved · Valve · Scientific American · Chase elemental · Winding drum · Piston rod · Stuffing box · Veratroid contraction · Heart beat · Wrought iron · Large number · William armstrong
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