. Canadian machinery and metalworking (January-June 1919). There is unusualstrength, accuracy,speed, convenience andrange in AURORA Drilling Machines You can use themto great advant-age on HIGH EX-PLOSIVESHELLS or anywork in your shopthats suitable fora machine tool ofthis kind. Theoperating is easyand the labor costcompara-tively low. Drop a line for full particulars and Head Sizes 20—21Sliding Head Sizes 22—44 The Aurora Tool Works AURORA, INDIANA,

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19