Today I Learned@lemmy.worldEnglish · 1 个月前

TIL cotton was used as boat armor in the American Civil War.

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TIL cotton was used as boat armor in the American Civil War.

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Today I Learned@lemmy.worldEnglish · 1 个月前

Warships Wrapped in Cotton

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The trabant used cotton impregnated with phenolic resin for the exterior body panels.
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