. Canadian foundryman (1918). Over 1,500,000 in General Use. G^jfcUJ Instantly connected or air tight under all pres-sures. [«jpgt$s|p Interchangeable in all sizes most com-monly used, 4-in. to 3/4-in. inclusive. Cut shows Cleco Never Slip Clamp attached to Bowes CouplingsWrite for Bulletins Nos. 34-38-39 CLEVELAND PNEUMATIC TOOL CO. OF CANADA, LIMITED „ „,.„. 84 CHESTNUT STREET, TORONTO, ONTARIO A. R. Williams Machinery Co., Toronto u/:n: b um *.* ,u,ul° Williams & Wilson, Montreal CA NADIAN FOUNDRY MAN KAWIN SERVICE POINTS THE WAY The Proper Mixture—How to Make It Cor


. Canadian foundryman (1918). Over 1,500,000 in General Use. G^jfcUJ Instantly connected or air tight under all pres-sures. [«jpgt$s|p Interchangeable in all sizes most com-monly used, 4-in. to 3/4-in. inclusive. Cut shows Cleco Never Slip Clamp attached to Bowes CouplingsWrite for Bulletins Nos. 34-38-39 CLEVELAND PNEUMATIC TOOL CO. OF CANADA, LIMITED „ „,.„. 84 CHESTNUT STREET, TORONTO, ONTARIO A. R. Williams Machinery Co., Toronto u/:n: b um *.* ,u,ul° Williams & Wilson, Montreal CA NADIAN FOUNDRY MAN KAWIN SERVICE POINTS THE WAY The Proper Mixture—How to Make It Correct Cupola Practice—UniformCastings Solve Moulding Troubles—Reducing Losses Increase Output—Reducing Man Hours of Labor NOTE: Are you going to the Mil-waukee Convention? Call at ourbooth and get acquainted with ourmen and methods. Chas. C. Kawin Company LIMITED Chemists Foundry Engineers Metallurgists 307 Kent Bldg., Toronto, Can. 94 Dunn Bldg., Buffalo, Dayton, Ohio Chicago. 111. San Francisco, September, 1918. CANADIAN FOUNDRYM A N LET US SELL YOU A DOWNER GRINDER (Made in the House that WOOD/SON built) This grinder will increase your output at least 5% and many jobscan be finished in one-fifth of the time that it would take withouta grinder. It is one of the best labor-saving devices given to the patterntrade in the last two decades. Three men can work together on one Downer Grinder withoutinterfering one with the other. There are less parts on the Downer than any other standardgrinder. It is the only machine that has a vertical drum in connection withtwo double-sided discs; is the only grinder the drum of which hasa vertical and revolving motion simultaneously. There is nochance of having your work scored, it grinds absolutely smooth. It is operated very economically and we recommend running itcontinuously, as it only takes 1/6 , and a 3 motor willrun it under most severe tests. There are a great many other reasons why you should not be


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