I don't think polishing, which removes the top layer, is advised. I would clean and neutralize any damaging corrosion, but no more. Then apply a barrier layer of wax.
Years ago I remember seeing some small brass cannons at Royal Rhodes in Victoria. They had small warning plaques that the brasses were not to be polished.
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Terry Warner
- 74-????? M151A2
- 70-08876 M38A1
- 53-71233 M100CDN trailer
Beware! The Green Disease walks among us!
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