Popular science monthly . up a newspaiier loosely and tie in themiddle with a jiiece of string, Iea\ing aloo]) by which to hang it. This ma\ besuspeniled from a gas bracket or otherhandy hook, and will take lare oflight-weight articles. In washing an autoniobile use onl\ softwater as it is not so lianl on the finish,nor does it corrode uncovere*! metal. Popular Science Monthly 775 A Scheme for Soldering MetalsDifficult to Join MANY times wluMi soldering togetherdifferent metals which do not joineasily it is better to put acid on eachpiece and fasten the solder to it separate-ly. The pieces can
Popular science monthly . up a newspaiier loosely and tie in themiddle with a jiiece of string, Iea\ing aloo]) by which to hang it. This ma\ besuspeniled from a gas bracket or otherhandy hook, and will take lare oflight-weight articles. In washing an autoniobile use onl\ softwater as it is not so lianl on the finish,nor does it corrode uncovere*! metal. Popular Science Monthly 775 A Scheme for Soldering MetalsDifficult to Join MANY times wluMi soldering togetherdifferent metals which do not joineasily it is better to put acid on eachpiece and fasten the solder to it separate-ly. The pieces can then l)e soldered to-gether without using more acid. This method is especially advanta-geous for fastening two pieces together,where if acid were used, it might runinto places difficult to reach with acleaning cloth so that it could not bewiped away and would corrode the metal. A Heat Deflector for a Hot AirRegister A SHEET metal canopy placed overthe ordinary hot air register willdirect the heat toward the bottom of the. The metal canopy deflects the hot airoutward and down toward the floor room where it is most needed. Stripsof fairly heavy metal about 7 in. wideare cut as shown in the illustration. Theback is turned in at an angle of 90 fits in behind the register. Afterthe canopy has been bent into shape thescrews in the register are loosened andthe back slipped behind it. Then thescrews are replaced.—E. C. Stilweli,. How to Straighten the CrookedStraws of a Broom TAKE a pail of boiling hot water andcompletely immerse the straw endof the broom for ten minutes. After thestraws have become completely soaked, withdraw the broom and suspend it bythe liandle. When the straws are drythey will be found to be perfectlystraight.—E. Huntsman. An Automatic Cleanerfor Bicycle Hubs HUBS of bicycles readily collect dirt,and because of the spokes they arevery hard to clean. With the little k
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
