Before you use copper wire, you can harden it. To harden copper wire, clamp one end of the wire in a vice. Holde the other end with a flat nose pliers and stretch the wire so far as possible. You can stretch a 1 meter wire to about 1,20 m or more, before it breaks. Copper can not be hardened by heat treating. Edmund www.emailkunst.de I ...

Normal 0 21 Hi Jennifer, you have all you need for basic soldering. As A pickle I prefer the really harmless pickle from 10% Alum-salt + 90% water, working temperature about 50 degree Celsius. You can solder solder copper with silver solder also. The disadvantage is, that the solder seam looks ...

  Normal 0 21 Most birds are very sensitive to carbon monoxide. Therefore, the miners still took until the 50's of the 20th century, one or more birds in the coal mines. When the bird fell dead, it was high time for the miners to leave the mine. Carbon monoxide, however, should not arise on the proper use of a ...

 But that is not a copper alloy but a 750 gold alloy.  And the price is many, many times higher.

 If you use only opaque enamels, you can enamel sterling silver direct. If you want to use any transparents, you must prepare the silver before by depletion guilding. You find the procedure here: http://www.ganoksin.com/search/search.cgi?nocpp=1&Realm=All&Match=1&submit2=Search&Terms=depletion%20guilding Edmund

  Normal 0 21 The brass brush is used to scratch the workpiece with soap and water after soldering to clean the workpiece, and in preparation for polishing. But here at Dremelmotor fairly useless, since it splash far too much. The steel wire brush is also used to remove impurities. You can also the use the ...

 Pure copper can be hardened only by cold working. Flame hardening is not possible. However, there are hardenable copper alloys. Search in the Internet for a  suitable alloy . You can also the following do. Clamp one end of the wire in a vice. Take the other end in a pliers.  Straighten the wire as much as possible. By that the ...

 It's a bit difficult to answer your questions. But I'll try. Solder the bezel on a piece of sheet metal. Sawing out then the inside of the bezel so that remains standing around an approximately 1 mm wide rim. You can put in the stone and push the frame over the stone. Most of the gems and all organic material is sensitive to ...

 I forgot. In a shop for tools , you  also should get a set key file. This are little files of about 10 cm mostly with a little handle. This are also suitable. Instead of a suede flap, you can also use a chamois leather, or even if you do not get those,  use a slightly thicker piece of felt. e.m.

 Hi Addie, Thank you very much for your replay. I have found the mistake in my program. There was a tick at a wrong position. Thank you again edmund www.emailkunst.de