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ept not VaSs This is what Oilâ€"Oâ€"Matic offers you and everyone with any type of good heating plant. In any size home or building. The four laws demand this Six years ago our engineers found four principles that were being disregarded. These explained the difficulties others were having in trying to heat with oil. No oil burner can ever be made to work right if its principle is wrong. The four natural laws of oil combustion are vital to successful operation. Then we built Oilâ€"Oâ€"Matic.. It was the first to make use of these laws. It cost us $250,000 before we installed a single one in anyone‘s home. But now it has proved these laws for six winters. Not one single important change has ever been necessary. No hot plates are used because oil must be nebulized, not vaporized. No part is inside the firebox because oil must burn in susâ€" pension to avoid forming soot. There‘s no manual control of dampers because an exact amount of air must be supplied,. We line the firebox with brick because reflected heat assures better combustion. The four laws demand this. There‘s no continuous pilot lightâ€"it has no place on a modern oil burner. No adâ€" justment is necessary if you change from one grade of oil to another. No worry about the oil not lighting, or blowing out. Nothing but constant, automatic heat, pure and simple. THE PORCUPINE ADVANCE, TIMMINS, ONTARIO So Oilâ€"Oâ€"Matic is unlike any other device that burns oil. It will interest you to see this burner that has finally solved the probâ€" lem. There is an authorized dealer near you. Let him give you a demonstration. He guarantees every installation he makes. Every installation guaranteed ‘nmins, Ont. Oi1â€"Oâ€"Matic is sold and serviced by trained heating men in about 800 cities. Most of them are graduates of the Williams Instiâ€" tute of Heat Research. They have experiâ€" ence, facilities, organization and financial responsibility. They are backed by the largest producer of automatic oil burners in the world. Here‘s the book that throws new light on the whole subject. Explains inâ€" terestingly, with illustrations, how this perfected way of heating relieves you of all care and thought of the furnace. Shows diagrams for ideal arrangement of basement space. Beautiful library edition printed in colors. Send the coupon now for your copy of "New Facts About Oil Heating." After you read it you will never be content with any other way of heating your home. This Coupon Brings the Book Free! Williams Oilâ€"Oâ€"Matic Heating Corp. Bloomington, 111. Send me FREE and POSTPAID your library edition of "New Facts About Oil Heating" and special basement plans for new homes. Name .. _Address Our heating plant is [_] Steam [_] HotWater [ Hot Air New facts about ofl heating In a few days we will have one of these machines on display at our Shop, 10 Cedar St., South. Don‘t fall to see this interesting deâ€" monstration. Partial list of users Continuation School South Porcupine Timmins Gauthier