Ron Berry suggested using rubber stamps for lettering plates. I use 3 different stamps. A medium sized 6 band numeral stamp for serial and case numbers. A large 3 band letter stamp for model designation. And a small six band pricing stamp for wire sizes (it has a 1/2 mark). Use *Slink Ink* by JustRite, available by special order from an office supply. It is an *opaque industrial ink for marking non-porous surfaces*. It is very opaque and very thick. It will make a factory looking mark that doesn't need clear coating. Richard Anderson
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