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aaron695
on Aug 10, 2021
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Bring back hydrogen lifting gas
In this doco they run through the ammunition types they tried and actually fire some from WW1 and they still worked.
https://www.pbs.org/wgbh/nova/video/zeppelin-terror-attack/
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https://www.pbs.org/wgbh/nova/video/zeppelin-terror-attack/