. Official proceedings . wn again. This is nota serious objection, however, as it is only necessary to drill aline of small holes where the frames are welded together inorder to separate them. When they are replaced a keyway canbe cut and the frames bolted together in the usual way. It is not only on locomotive frames that Thermit findsextensive use in railroad shops, as it can be applied to equaladvantage in the welding of broken driving wheel spokes, siderods, connecting rods, rocker shafts, cross head guides, cylindersaddles, mud rings and other broken sections too numerous tomention. Aside
. Official proceedings . wn again. This is nota serious objection, however, as it is only necessary to drill aline of small holes where the frames are welded together inorder to separate them. When they are replaced a keyway canbe cut and the frames bolted together in the usual way. It is not only on locomotive frames that Thermit findsextensive use in railroad shops, as it can be applied to equaladvantage in the welding of broken driving wheel spokes, siderods, connecting rods, rocker shafts, cross head guides, cylindersaddles, mud rings and other broken sections too numerous tomention. Aside from repairs in railroacl shops the process is usedextensivelv in the marine field for welding broken stern posts,stern frames, rudder frames and propeller struts of the process results in even greater economies than in thecase of locomotive repairs owing to the fact that dry-dockag^eis exceedingly costly and every day saved means hundreds andeven thousands of dollars. We make it a practice to execute 80. Guide yoke welded by Chesapeake & Ohio Railroad. Clifton Forge, Va., at a saving of $ stich repairs by contract and seldom keep the vessel in dry-dockmore than forty-eii.;hi liours. The Lnited States Xavy has beenone of the first to appreciate the advantages of the process andhas used it very extensively at the Boston, Xew York. and Charleston navy yards. Furthermore the repairships -PAXTHER. DIXIE* and \ESTAL* are completelyequipped with Thermit welding outfits and have done veryimportant work. In the way of general repairs we have welded a greatmany crank shafts, particularly shafts for refrigerating shafts have to be aligned for quite accurately before mak-ing the weld, and we find it best to mount them on \-blockssupported on a machined bed plate as shown in the fracture is then cut out and the weld made in the usuaf 81 WR\. In some cases we find it necessary to cut out an entirebearing and weld i
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