I have my mother’s Singer Featherweight sewing machine from 1949. The finish was damaged by contact with isopropyl alcohol. Any idea what kind of alcohol-soluble finish it could be, and can I fix it by spraying on some more?
Janet
I have my mother’s Singer Featherweight sewing machine from 1949. The finish was damaged by contact with isopropyl alcohol. Any idea what kind of alcohol-soluble finish it could be, and can I fix it by spraying on some more?
Janet
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Replies
Pretty clear rhar rhe finish was shellac. Depending on the extent of the damage, one way of fixing such items is to use denatured alchol to rewet the shellac and, using rags, spread the existing finish to cover more evenly. This typically also removes a bit of dirt from the exterior of the finish. I'd use denatured alcohol instead of isopropol because it generally has lower water content making for a better performing finish.
Not enough shellac?
Thanks, Steve!
Since you said isopropyl doesn't work as effectively, I'm hoping the accident left enough finish to spread around. If there isn't, it's no worse off than before.
I talked to a man who repairs sewing machines, and he said not to spray on new shellac because "it will cause wrinkling." (Not sure if he was referring to the finish or the decals.)
Janet
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