. Agriculture and the farming business . edge of the iron has become bright orthoroughly covered with the solder. Tinning a tipping copper.^—The tipping copper istinned very much the same as the iron. Sometimes it isdesirable, however, to file or scrape the tipping copper abit so as to make it smooth and to correct the point. Heatthe iron and rotate the tip of this iron in the mixture of salammoniac and solder until the tip has been covered with themelted solder and rendered bright as silver. The coppershould be filed to nearly a sharp point. All particles ofsmudge, burned material, etc., shou
. Agriculture and the farming business . edge of the iron has become bright orthoroughly covered with the solder. Tinning a tipping copper.^—The tipping copper istinned very much the same as the iron. Sometimes it isdesirable, however, to file or scrape the tipping copper abit so as to make it smooth and to correct the point. Heatthe iron and rotate the tip of this iron in the mixture of salammoniac and solder until the tip has been covered with themelted solder and rendered bright as silver. The coppershould be filed to nearly a sharp point. All particles ofsmudge, burned material, etc., should be removed fromiron before tinning. Capping a tin can.—When capping full cans, ar-range them in rows upon the table while the cappingand tipping irons are in the fire heating. Take a handfulof solder-hemmed caps and place the caps on all cans, readyto be capped. Then take the flux jar and small finger on vent hole, hold cap in place, and run thebrush around the solder-hemmed cap evenly, with light 360 AGRICULTURE AND. Cappiuy iron, showing i)ositiou of band amiAlso how iron is applied to solder hemmed cap. iii)riglit ruii. THE FARMING BUSINESS 361 stroke of the hand. Do this with all cans ready to becapped. Then take capping iron from the fire. Insert theupright steel in center. Hold capping iron above cap untilcenter rod touches cap and holds it in place. (See page360.) Then bring cap down in contact with all four pointsof solder-hemmed cap and rotate back and forth about threestrokes. Do not bear down on tipping iron. A forward and
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