New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 430
-Vyer, Philadelphia, have de-signed a line of tool grinding machines which em-brace some novel i>oints that are of practical value.They are called Centrifugal grinding machinesfrom the method used to bring the water to the grind-ing face of the wheel The manufacturers claim thatnone of the… … The new method as used in the nuuhitiu illu.stratedand other grinding machines made by Pedrick &.\yer is to apply the water at a point near the centerof the whe«l: through caiiillary attraction it adheresto the surface and the centrifugal action of the revrdv-ing wheel causes it to rapidly…
Railroads · Railroad cars
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