Canadian mining journal July-December 1915 . Note the chain is running quite slack meansminimum journal friction. Whats the Life of aRenold Chain Drive? is one of the first questions a prospective cus-tomer asks. While no one can positivelystate what the life of any drive - Chain —Belt—Rope or Gear—will be under specified con-ditions, this photograph, however, shows a Renold Patent SilentChain Drive which has heen transmitting, between twoshafts 85 h. p. continuously for over15 years. The centre distance is 37 in., and the main-tained efficiency per cent. WE STOCK CHAINS AND PARTS Catalog
Canadian mining journal July-December 1915 . Note the chain is running quite slack meansminimum journal friction. Whats the Life of aRenold Chain Drive? is one of the first questions a prospective cus-tomer asks. While no one can positivelystate what the life of any drive - Chain —Belt—Rope or Gear—will be under specified con-ditions, this photograph, however, shows a Renold Patent SilentChain Drive which has heen transmitting, between twoshafts 85 h. p. continuously for over15 years. The centre distance is 37 in., and the main-tained efficiency per cent. WE STOCK CHAINS AND PARTS Catalogue free on request JONES & GLASSCO, (Regd) Engineers Branch Office, TORONTO Sole Canadian Agents 49 Place DYouville, MONTREAL Why You Run No Risks in BuyingWhen You Specify JEFFREY CHAINS. Developed to withstand the most exactingrequirements, they combine Highesl TensileStrength with all the other qualities thai go tomake for Dependability. Durability and LastingService. They are made complete in our own foundriesand shops, by the most improved methods, andby men who are experts m their line, A Ritnd System of Inspection eliminates the pos-sibility of Defective Links or Parts in the finishedchain. By means of our Special Testing Ma-chines, every Jeffrey Chain is subjected to thepull of a final proof test load far in excess of anypossible working stress. Make a test in yourown shops and you will confirm our claims.) We have been bmldiii^ C hains fin ...> years and can furnish types for all Klcvatinn. Conveying and Tran nil Ion ReQuiremenl Writ* for Balloting folly daaeribing thair tartlua application. Wr carry a larjje and romplrlrSpiral nml I {11 ( onvoypr*. Etc. • !< U ol ( hams, ( Biukrti SprmUct Whrrli, (.mil. JEFFREY MANUFACTURING CO., nnnit
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
