Thread: Cleaning and repairing the Shellac clear coat on Vintage sewing machine heads
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Old 07-03-2016, 09:24 AM
  #603  
Glenn
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Join Date: Mar 2010
Location: Huntsville, AL
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Only if the finish on the 221 is shellac. You can test to see if it is by using denatured alcohol dabbed on to the black in a spot that will not be seen. If the finish becomes tacky it is shellac and then you can use the method.
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