Canadian machinery and metalworking (July-December 1917) . the City Lightand Power Department, 54 King Street. Toronto, Ont.—Tenders will be receiv-ed addressed to the chairman, Board ofControl, City Hall, up to July 31, for thecomplete construction and equipment ofa single track extension to the BloorStreet Division of the Toronto Civic Rail-way. Specifications and forms of tendermay be obtained upon application atRoom No. 313, Department of Works,City Hall, on payment of ten dollars($10), this sum to be refunded upon re-turn of specifications, forms of tender,and plans. July 19, 1917. CANADI


Canadian machinery and metalworking (July-December 1917) . the City Lightand Power Department, 54 King Street. Toronto, Ont.—Tenders will be receiv-ed addressed to the chairman, Board ofControl, City Hall, up to July 31, for thecomplete construction and equipment ofa single track extension to the BloorStreet Division of the Toronto Civic Rail-way. Specifications and forms of tendermay be obtained upon application atRoom No. 313, Department of Works,City Hall, on payment of ten dollars($10), this sum to be refunded upon re-turn of specifications, forms of tender,and plans. July 19, 1917. CANADIAN MACHINERY 67 WHY TOLERATE . TROUBLE in YOUR Grinding Department? Eliminate all difficulties by using High-Grade Selected DIAMONDS Direct from the South African Diamond Fields. All sizes at your command,either unmounted or mounted in any style holder, MADE IN CANADA. Try our CAST STEEL mounting for complete satisfaction of perform-ance. ? Wheel Trueing Tool Company 88 West Pitt Street WINDSOR, ONTARIO The Morris Thomson Semi-Automatic Thread Miller. Simplest, fastest and most accurate for Primers, Fuse Bodies, Watch Cases and such pieces. Capacity 3-inch internal or external 10 pitch. Quick Deliveries. Hundreds in Use. Mfg. Co. Harrison, U. S. A. 3* *? ?« ff. 1v \0 Spend just a few minutes with your pencil and youwill realize that the returns on your fuel and equip-ment investment can be surprisingly increased with aMOKEHEAD Back to the Boiler heat unit in your steam represents so much coal—so much cold cash. The MOREHEAD SYSTEM en-ables you to get full use of every one of these heatunits. The A&lehead IZ^BacktoBuiler >SYSTEM takes every ounce of condensed moisture from yoursteam lines and returns it to the boiler—without waste—automatically. The operation is D0% cheaper thana pump can do it—and the condensation is 100 to150° hotter. If you want the very best method of handling con-densation — interest yourself in the MOREHEADSYSTEM.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19