. Canadian machinery and metalworking (January-June 1919). e at a low price, theBasic Process is extensively used. In fact, it ishardly an exaggeration to say that the Basic Bes-semer Process has been one of the salient factors con-tributing to Germanys industrial development dur-ing the past generation. On the other hand, in theUnited States, where iron ore containing very littlephosphorus is more abundant, the Acid BessemerProcess is exclusively employed. reOruary ^ !*»!» I ,s Ball Bearings in Tractor Design Arduous Nature of Work Necessitated by Rough Ground Makes Bail-Bearings Particularly
. Canadian machinery and metalworking (January-June 1919). e at a low price, theBasic Process is extensively used. In fact, it ishardly an exaggeration to say that the Basic Bes-semer Process has been one of the salient factors con-tributing to Germanys industrial development dur-ing the past generation. On the other hand, in theUnited States, where iron ore containing very littlephosphorus is more abundant, the Acid BessemerProcess is exclusively employed. reOruary ^ !*»!» I ,s Ball Bearings in Tractor Design Arduous Nature of Work Necessitated by Rough Ground Makes Bail-Bearings Particularly Adaptable to Tractor Work — Reprinted From Tractor and Trailer By H. M. TRUMBULL AS the tractor is one of the most ex-pensive of agricultural machines,the farm operator has now learnedto make a careful study of ita mechani-cal features before purchasing. If hewere buyiiiK a one-season machine, or iffirst cost were the only consideration,the selection of his tractor would be acomparatively simple matter, but as heis looking for permanent value he in-.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
