. American engineer and railroad journal . PLOW FOR CLEARING CINDER PITS, NEW YORK, LAKE ERIE AND WESTERN RAILROAD. packing rings are sprung. This is not only very much cheaperand lighter than the old construction, but appears to be fullyas effective against leaking. The rings are split aud a piececut out, the two ends being brought up against a pin set intothe groove and flattened at the sides. This prevents the ringsfrom turning, and breaks the joints of the split. It has notonly given excellent results in practice, but has served to lessenthe number of piston-ring breakages, for before the
. American engineer and railroad journal . PLOW FOR CLEARING CINDER PITS, NEW YORK, LAKE ERIE AND WESTERN RAILROAD. packing rings are sprung. This is not only very much cheaperand lighter than the old construction, but appears to be fullyas effective against leaking. The rings are split aud a piececut out, the two ends being brought up against a pin set intothe groove and flattened at the sides. This prevents the ringsfrom turning, and breaks the joints of the split. It has notonly given excellent results in practice, but has served to lessenthe number of piston-ring breakages, for before the adoptionof the solid head there was a great deal of trouble from this. cause. While referring to the home-made tools, allusion mustbe made to the arrangement for grinding joints in stand, dryand steam pipes. It is nothing but an old drill press with aswinging frame added, by which the collar to be ground canbe rotated and moved over the end of the pipe to which it isto fit. It has a universal motion, and does its work so easilyand rapidly that it must divide the expense of making suchjoints by hand by from five to value of the milling machine as a competitor of the Opening off the main machine shop is the paint shop, whichhas a tank or store closet that is worthy of imitation. It ispurely for protection against fire and those persons who areprone to help themselves to the property of other people. Itconsists of a plate-iron room about 7 ft. high, 8 ft. wide and12 ft. long. It is ventilated at the top, but the ventilator is soprotected that it is impossible for maliciousness or carelessnessto get fire into the place by that opening ; aud the ent
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
