. Better fruit. Fruit-culture. Page 78 BETTER FRUIT March Telling The Truth Is Not Knocking SCIENTIFIC PRINCIPLES of The BOLTON The Bolton is the only orchard heater built on scien- tific principles. By a patented device the flame is deflected sidc'cayx in all directions. This reduces the force of the flame, making a hot but gentle fire that causes no cold drafts of air. Thus the atmosphere is heated as the sun's rays would heat it, and rises nat- urally, without coinmotion or force. The heat is spread in every direction and the heat- ers are placed close enough together to form an xmbroken bl
. Better fruit. Fruit-culture. Page 78 BETTER FRUIT March Telling The Truth Is Not Knocking SCIENTIFIC PRINCIPLES of The BOLTON The Bolton is the only orchard heater built on scien- tific principles. By a patented device the flame is deflected sidc'cayx in all directions. This reduces the force of the flame, making a hot but gentle fire that causes no cold drafts of air. Thus the atmosphere is heated as the sun's rays would heat it, and rises nat- urally, without coinmotion or force. The heat is spread in every direction and the heat- ers are placed close enough together to form an xmbroken blanket of protecting heat. The Bolton makes a small fire and 100 to the acre is scientifically correct. A large or roaring fire renders less protection and causes a rush of cold air. Surely a plain statement of facts cannot be called mud-slinging. The figures printed below are a matter of public record. They cannot be side-stepped âthey are facts. We quote them for the benefit of the grower. He is the one most con- cerned, and he wants to know just the things such figures reveal. Our agent at Clarkston, Washington, had repeatedly offered to supply the necessary oil if the Troutman agent would pit his heater against the Bolton in a public competitive demonstration. For some reason the Troutman agent has not consented to such test. The Hamilton agent was finally persuaded to hold a demonstration, conducted by W. B. Lanham. Results showed that the Bolton burned two and one-half times as long as the Hamilton on the same amount of oil. Four, hours after lighting the Hamilton heaters were all burned out. Eight hours after lighting 70 per cent of the Bolton heaters were still burning briskly. These tests, Mr. Grower, have been held at the instigation of some grower, county or state officerâor ourselves. The manufacturers of other heaters have not as yet accepted our standing challenge to a competitive demonstration with the Bolton. One did accept, but we have never been abl
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