Elements of plumbing . 4-solder, rosin, wiping solder,catch pan, and supports. Tools Required.—Thetools necessary for thiswork are as follows: the. Rasp fo a Surface to betinned - A -Paafe and paper L drift Fig. 24. saw, rasp, arut plug,dresser, file, soldering iron, bending irons, wiping cloths,shave hook, and —The lead pipe must be fitted into the brass 37 38 ELEMENTS OF PLUMBING ferrule. The brass ferrule has to be tinned first. To dothis, proceed as follows: file the ferrule for about 2 incheson the tapered end. Do not file too deep, but just enoughto expose the pure brig
Elements of plumbing . 4-solder, rosin, wiping solder,catch pan, and supports. Tools Required.—Thetools necessary for thiswork are as follows: the. Rasp fo a Surface to betinned - A -Paafe and paper L drift Fig. 24. saw, rasp, arut plug,dresser, file, soldering iron, bending irons, wiping cloths,shave hook, and —The lead pipe must be fitted into the brass 37 38 ELEMENTS OF PLUMBING ferrule. The brass ferrule has to be tinned first. To dothis, proceed as follows: file the ferrule for about 2 incheson the tapered end. Do not file too deep, but just enoughto expose the pure bright metal. Now measure from thesmall end Ij^ inches down toward the beaded end. Fromthis point to the bead, cover the brass with paste and paste must get on the IJ^-in. filed end. This end shouldnot be touched with the fingers. If paste gets on it, theprocess of fifing must be done over again as the solder willnot stick where there is paste. If the brass ferrule is filedwhile the paper is on the brass, the fifing will destroy thestraight edge of the paper and an even joint cannot be would therefore be necessary to re-paper
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