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  1. Restoring chinese copper bells

    Painting
    I'm not sure if I'm in the correct area of the forums here. But, I got an old decorative copper bell. (You tap it with a stick to make the sound.) It has been out in the elements for a number of years and started degrading. I used vinegar and salt to try to polish it. However the reaction caused...
  2. 6vdc Door Bell - How best to connect?

    Electrical
    I found a vintage alarm bell that was probably used in a school or fire house. It's nameplate is clearly marked with "6 V", "DC Only". I have powered it with a 6v AC/DC adapter and it works well. I am trying to figure out the proper way to permanently connect this alarm bell as my doorbell...
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