THE HOUSEHOLD KETTLE
SOLDERING HINTS. Soldering presents no difficulties that cannot be speedily overcome, and the tools are quite simple. The soldering iron, some flux, and the solder will cover the requirements. They are available in small sets. The soldering iron is made of copper with a pointed head clamped into an iron holder. Many forms of prepared flux are available,
The secret of tinning the iron—and for that matter all soldering jobs—is to have clean surfaces. Thoroughly clean the iron by rubbing with sandpaper, heat until nearly red hot, and file until all the surfaces are bright. Heat again and dip into the flux, after which solder is applied to each surface and a 'thin film results. Rub the face on a piece of tin covered with flux and the iron will be quickly tinned. The kettle is prepared by wiping the whole of the outside perfectly dry. Fill it with water and examine the outside for wet patches and any holes. Empty and dry again and then fix the kettle so that the leak is conveniently placed. Scrape around the damaged
part and make sure that the edges are bright. Finally clean with some sandpaper. Heat the iron, but do not allow it to become red hot or the tinning will burn off. Dab around the hole with flux, and when the iron is hot enough plunge the tip into some flux, melt some solder near the hole, and run it over the bright parts. This will have to be done quickly before the iron becomes cold.
If the hole is at all large, try a sort of bridging action, and this will make the solder span the hole. The kettle is now ready for use again. If it has not proved successful, the surface has not been sufficiently clean, and it will have to be done again.
Very large holes can be repaired by cutting a small piece of tinned iron just big enough to make a suitable patch. First lay a coat of solder around the hole and treat the underside of the patch in a similar manner. The two are placed together and sweated by running the hot iron over the parts already treated.
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Wairarapa Times-Age, 4 July 1938, Page 4
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369THE HOUSEHOLD KETTLE Wairarapa Times-Age, 4 July 1938, Page 4
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