. American engineer and railroad journal . ouplingto allow the complete opening of clianael N, caused by thefirst ^ turn of the wheel in opening the valve. Plate E eivesa sectional view of the main valve. The renewable seat, it will be seen by referring to the cuts,is an exteriorly threaded Hanged ring that screws against aface or shoulder of the flange, the opposite side of whichflange forms the seat or bearing surface for the disk to closeagainst. The inner periphery of the ring has lugs or teeth, K,for the engagement of the wrench, by which means the seat isoperated, and either taken out or
. American engineer and railroad journal . ouplingto allow the complete opening of clianael N, caused by thefirst ^ turn of the wheel in opening the valve. Plate E eivesa sectional view of the main valve. The renewable seat, it will be seen by referring to the cuts,is an exteriorly threaded Hanged ring that screws against aface or shoulder of the flange, the opposite side of whichflange forms the seat or bearing surface for the disk to closeagainst. The inner periphery of the ring has lugs or teeth, K,for the engagement of the wrench, by which means the seat isoperated, and either taken out or put in through the diskopening of the body without disturbing the pipe iron body valves the renewable seat C screws into a secondbrass ring permanently fastened in the iron shell, ,owing to the rusting qualities of iron, the renewable seat mightrust tight in the shell. The ring end 7of wrench is used tohold and guide the removable seat into place, so as to properlystart its tlireads into the threads in the DOXFORDS CARGO The valve is exhibited by the company at Chicago in Section25, Column O, 24, together with a complete display of thespecialties which they manufacture. THE ARGENTINE GOVERNMENT VERSUSRAILWAYS. A COURE8PONDENT in Buenos Ayres sends us some clippingsfrom papers in that country containing editorial complaintsthat the Government in that country had taken ground thatno more iron railway ties or sleepers should be admitted freeof duty under the clauses of the concessions providing forimmunity from import duties. This, it is claimed, is a viola-tion of good faith, which is due to a mischievous and erroneousassumption that a railway is a public enemy, or at least a dan-gerous servant. One of the principal papers opposes the con-solidation of the great Southern and the Western railways,because it fears the results of licensing such a powerful mo-nopolj. The management of railroads in that country does not seemto be fau
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
