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With the lid removed, you can see that there is an old nylon stocking (or panty hose) stretched across the bowl. There is about 1/2 inch of cider vinegar in the bottom of the bowl. For heavy items, you can support the nylon by punching a couple of holes in the bottom of a smaller plastic container and "sinking" it with the open side up into the vinegar. This smaller container needs to be tall enough to support the nylon without preventing the lid from sealing. For our fuming chamber, we used an one pint plastic container such as you might get when you buy potato salad from the Deli. This very simple system allows you to put the finish that you want on your compents instead of relying on the finish that someone else has applied. It is easy, it is fast and it gives you control.
Place the item "top" side up onto the nylon and replace the lid onto the fumer. Check the progress every fifteen minutes until it achieves the patina you want.
THE BRASS FACTS:
Brass seems to be the hot item now for creating old and new jewelry designs. The Victorians used it for less-expensive-than–gold jewelry and it
has been used in the 20th century for creating “costume jewelry”.
One interesting fact about brass is that it’s nickel-free for those who are allergic to nickel. However, when any metal is plated, bear in mind that an under-coating of nickel is plated on first so that the plated finish will adhere. That is the “silvery-looking” metal that shows through eventually when the top plating wears off.
Raw brass ages so beautifully and comes in many tones, depending on the alloy and depending on the number of times the die machine is used for a particular run on stampings. When heated, brass will sometimes darken or turn a reddish color. That is one reason it’s so hard to solder properly.
Newer or older brass can be aged by “fuming” (See instructions on our store home-page or on our website!). When buying old pieces, check for verdigris, the greenish color found on some metals. This is body-rot or oxidation, and will eventually ruin the piece by weakening the structure. Feel the piece to see if the surface is smooth or if it feels rough and crusty. Some people try to age brass by using a salt solution. This will leave a rough finish and salt is very corrosive. Sometimes, a light sanding with very fine sandpaper will correct the smoothness. It will not, however, correct the damage done to the metal. Eventually, it will become very brittle and will break. There is no fixing this problem!
Brass can also be plated, painted, enameled, or stained with glass-stain. It’s a very versatile metal! No wonder it is so popular!
If you are unsure as to whether or not an item is brass, subject the piece to a strong magnet. Brass will not react. A good magnet and a jeweler’s loupe are essential when shopping at estate sales, garage sales, or even old jewelry warehouses for brass treasures!
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