. The railroad and engineering journal . ng the valveadmitting sleam to the chest, as well as the lever com-manding the distributing valve. This valve is (lat and isperfectly balanced ; it works vertically between two rigid The plates of the frames are 28 mm. thick, those of thegirders 21 mm., and those of the upper frame 15 the joints of the plates are planed, in order to obtain aperfect tit. The rivet-holes, the diameter of which is 30mm., are countersunk and the rivet-head is joined to thebody with a fillet of 5 mm. radius. The legs rise two by Vol. LXIII, No. 2.] ENGINEERING JOURNAL
. The railroad and engineering journal . ng the valveadmitting sleam to the chest, as well as the lever com-manding the distributing valve. This valve is (lat and isperfectly balanced ; it works vertically between two rigid The plates of the frames are 28 mm. thick, those of thegirders 21 mm., and those of the upper frame 15 the joints of the plates are planed, in order to obtain aperfect tit. The rivet-holes, the diameter of which is 30mm., are countersunk and the rivet-head is joined to thebody with a fillet of 5 mm. radius. The legs rise two by Vol. LXIII, No. 2.] ENGINEERING JOURNAL. two on a huge mass of cast iron, which in its turn is bolteddown to a heavy masonry foundation. These two cast-iron blocks are joined together by two bolts meterdiameter placed on each side of the anvil block. 65 fiber 6 mm. thick. This fiber has the color and appear-ance of leather, and is said to last as well as oak anvil, the weight of which is 1,050 kilos., has theform of a truncated pyramid with a rectangular base,. BEMENT, MILES & COMPANYS 15,500-KILO. HAMMER. To avoid the breakage of the numerous bolts employ- | and was cast in place. The casting took 4^ hours, anded in the construction of this hammer, there are placed the block was left weeks in the sand before it wasunder the nuts and bolt-heads washers of vulcanized cleaned off. 66 THE RAILROAD AND [February, 1889. The foundations were made with great care and in the following way : 1. A bed of concrete. 2. A layer of oak blocks meters long and square. 3. A second layer of oak blocks of the same size placedat right angles with the first, and strongly bolted to it. 4. A cast-iron plate by meters in size meter thick. 5. Another pile of oak timbers of the same section asthose below, and altogether meters in height. 6. On top of this huge mass of wood the hammer, until very recently the largest in the United States, is well designed, of gre
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
