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Old metal plates with signal flags on them - military use?
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<p>[QUOTE="springfld.arsenal, post: 190278, member: 54"]I'd bet money the rust aka iron oxide on it if analyzed would reveal a high concentration of chlorides or sodium chloride, from which would make it fairly certain the corrosion was caused by either sea water or highway salt from roads in winter. Little more testing would tell you which of those two was more likely. Yes I'm a fan of TV nonfiction show "Forensic Files."[/QUOTE]</p><p><br /></p>
[QUOTE="springfld.arsenal, post: 190278, member: 54"]I'd bet money the rust aka iron oxide on it if analyzed would reveal a high concentration of chlorides or sodium chloride, from which would make it fairly certain the corrosion was caused by either sea water or highway salt from roads in winter. Little more testing would tell you which of those two was more likely. Yes I'm a fan of TV nonfiction show "Forensic Files."[/QUOTE]
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Old metal plates with signal flags on them - military use?
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