Hello, I have a singer 99k that came to me in bad shape, this is the picture of it:
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After doing the alcohol test I saw that the final coat is not shellac (neither lacquer, acetone didnīt work) when I tried to strip off that coat I saw that the decals were not decals were painting so I decided to remove all until the paint. Now I have almost sanded (with 600 wet sand ) the whole machine, after that close relation my machine now has a name "Speedy":
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The machine is very smooth now. After reading the amazing post that Glenn did I wonder something, Can I put some coats of shellac after that painting, then decals ant shellac again, or is mandatory to put de decals on the paint directly.
I hope I explained it well. Thanks for all the help this great forum is giving to me.