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Restored my great-grandfather's hand plane
(lemmy.world)
Recently was gifted an American Boy hand plane from my Dad. He said it was originally my great-grandfather's.
Before 
After
No big challenge. I soaked it in vinegar for 4 hours then used a wire wheel on a Dremel to clean it up. I was able to use the existing blade, just needed sharpened, so I don't know about that.