New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 187
e chief reason for this non-use of solid emerywheels in many shops he says to be the lack of timeand space. Emery grinders being run at muchgreater speeds than the general machines of an ordi-nary shop, they cannot be run direct by a belt fromthe line shaft, and intermediate or counter shafts…
Railroads · Railroad cars
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