cross-posted from: https://lemmit.online/post/6454782
Today I found two nazi nitrogen bottles at work. The swastikas were filled in post-war.
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The original was posted on /r/mildlyinteresting by /u/PanPun98 on 2025-07-30 22:50:20+00:00.
I had a conversation with a local gas distributor one time, and he said for low pressure bottles (C02 was mentioned specifically, but idk about n2) there is no age limit on bottles, they get tested every year, and if they pass the get recertified and kept in circulation. He said the oldest one he saw was from the 1890s
I work in the industry. 1000 percent correct on all accounts.