Canadian engineer . ures are as follows : condition. Barrett Specification type of Roofs 1,490,o23 sq. feet The superior economy of Barrett Specification Roofs Plastic Roofings 14,714 sq. feet justifies their adoption not only on big first-class concrete Slate Roofings 21,640 sq. feet buildings, but on every flat roofed building from a tenement Tile Roofings 5,619 sq. feet to a skyscraper—from a small mill to a modern manufac- Ready Roofings 38,381 sq. feet turing plant costing millions—but be sure its a real Barrett Copper Roofings 6,355 sq. feet Specification Roof—and the only way to be sure


Canadian engineer . ures are as follows : condition. Barrett Specification type of Roofs 1,490,o23 sq. feet The superior economy of Barrett Specification Roofs Plastic Roofings 14,714 sq. feet justifies their adoption not only on big first-class concrete Slate Roofings 21,640 sq. feet buildings, but on every flat roofed building from a tenement Tile Roofings 5,619 sq. feet to a skyscraper—from a small mill to a modern manufac- Ready Roofings 38,381 sq. feet turing plant costing millions—but be sure its a real Barrett Copper Roofings 6,355 sq. feet Specification Roof—and the only way to be sure is to in-All other kinds 7,448 sq. feet corporate The Barrett Specification in full in your plans. It is important to remember thcjit while all these buildings Copy of The Barrett Specification with diagrams free were constructed by the Turner Construction Company, on request. Address our nearest office. The Paterson Manufacturing Co., Limited Montreal Toronto Winnipeg Vancouver St. John, Halifax, .. 62 THE CANADIAN ENGINEER Volume this department and at the offices of C. E. W. Dodwell, tngineer, Halifax, ; E. T. P. Shewen, Esq.,District Engfineer, St. John, ; and on application to thePostmasters at Yarmouth, , and at Centreville, (TroutCove), Ottawa, Ont.—The time for receiving- tenders for widen-ing the Lower Entrance Channel-way, Sault Ste. Marie Canal,advertised to be in on Friday, May loth, iC}i2, is extended to16 oclock on Monday, May 20th. L. K. Jones, Secretary,Department of Railways and Canals, Ottawa. Ottawa, Ont.—Tenders will be received by P. E. Ryan,secretary, the Commissioners of the Transcontinental Rail-way, Ottawa, up to noon of May 31st, 1Q12, for 200-ton me-chanical coaling- plants with sand houses and track ap-proaches; also, 1,000-ton goaling station with the inclinedtrestle approach. Plans and specifications may be seen at theoffice of Mr. W. J. Press, Mechanical Engineer, Ottawa. (Seeadvt. in Canadian


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Keywords: ., bookcentury1800, bookdecade1890, bookpublishertoron, bookyear1893