Canadian Machinery . tach-ment can be added together with thetype of drive best suited to conditionsunder which machine has to be used. The frame is of ample proportion. Thecolumn is of tubular section, and if suf-ficient stiffness to withstand all table arm is a single casting and ofbox construction. The table is well rib-bed, and has four tee slots of the samesize as those in the base. Four radiusslots are also provided. All other partsare proportioned to withstand heavyusage. The drive is by means, of tight andloose pulley through driving cones oflarge diameter and wide face. Th
Canadian Machinery . tach-ment can be added together with thetype of drive best suited to conditionsunder which machine has to be used. The frame is of ample proportion. Thecolumn is of tubular section, and if suf-ficient stiffness to withstand all table arm is a single casting and ofbox construction. The table is well rib-bed, and has four tee slots of the samesize as those in the base. Four radiusslots are also provided. All other partsare proportioned to withstand heavyusage. The drive is by means, of tight andloose pulley through driving cones oflarge diameter and wide face. The driv-ing level gears have a peripheral speedof less than 800 feet per minute. Thespindle sleeve is bronze brushed, and thespindle has a suitable ball bearing forthrust. Four spindle speeds are obtain-able on the plain machine, with four ad-ditional speeds through back gears. A by-law was passed by the ratep;;y-ers, Dunville, Ont., authorizing an ex-penditure of $40,000 on a four-room ad-dition to the public THE 22 UPRIGHT DRILL PRESS. 50 CANADIAN MACHINERY Volume XXV. The MacLean Publishing Company LmnxD (KSTABllSHZD 1SI7) JOHN BAYNEMACLEAN. Pr««(<l«nt. H. T. HUNTHR. Vli».Pr<aiily 39 Inrrrasinx thr (ftparily of Old Locomotives 40 KurU—Their Ilieii and Proper Application . ?.. 41 tanadian Marhiner> W eekly Content 45 Korrirn Comment on Kffect of Alloys in SteeUt 46 I>r\rlopnient« in New Equipment 48 Kditorial 50 Market Hrvelopmentfi 52 Selected Market Quotations •
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