Canadian mining journal July-December 1915 . xes. Arc popular liecause designed rightAre popular because msterisls are popular because msde right. Give maximum efficiency with least up-keep in a lifetime and, therefore, bestand for practical field work cannot lie excelled. Send for literature. C. L. Berger & Sons 27 Williams Street Boston, Ma**. DOMINION BRIDGE CO., LIMITED Head Office and Works Branch Offices and Works MONTREAL, TORONTO. OTTAWA and WINNIPEG Engineers, Manufacturers and Erectors of Steel Structures Capacity 135,000 tons Railway and Highway Bridges Swing and Basc
Canadian mining journal July-December 1915 . xes. Arc popular liecause designed rightAre popular because msterisls are popular because msde right. Give maximum efficiency with least up-keep in a lifetime and, therefore, bestand for practical field work cannot lie excelled. Send for literature. C. L. Berger & Sons 27 Williams Street Boston, Ma**. DOMINION BRIDGE CO., LIMITED Head Office and Works Branch Offices and Works MONTREAL, TORONTO. OTTAWA and WINNIPEG Engineers, Manufacturers and Erectors of Steel Structures Capacity 135,000 tons Railway and Highway Bridges Swing and Bascule Span9 Buildings of All Kinds Hemispherical Bottom and other Tanks Transmission Poles and Towers Riveted Pipe, Caissons, Barges Turntables, Electric and Hand-Power Cranes Hoisting Appliances, Lift Locks Hvdraulic Regulating Gates, etc. Gear Cutting and General Machine Work Large Stock of Standard Structural Material at All W orks When Answerin/j Advertisements please mention The Canadian Mining Journal. THE CANADIAN MINING JOURNAL 15. 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 been transmitting, between two shafts 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 The Jeffrey Line ML
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
