Canadian machinery and metalworking (January-June 1919) . pXh TRADE MARK WHY and IMPERIAL FILES? Because they are made of the best filesteel in America. All sizes and shapes aremade of Best Crucible Cast Steel exclu-sively. Because they are processed entirely by themost expert workmen in this highly spe-cialized trade. Because they are made in Canada by Cana-dian Capital and Canadian Cut Faster and Wear Longer. Port Hope File Mfg. Co. LIMITEDPORT HOPE - - ONTARIO ASK YOUR JOBBER \^E*/4 TRADE MARK U. S. ElectricDrills and Grinders Save Time, Labor and Money

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19