Talk:HNO
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This refers to Historia Numorum Online, which seems to be a worthy project, but which is not even mentioned in durably-archived sources as far as I can tell. I can't find the initialism, either, but there are tons of scannos and references to chemical formulas that make it hard to verify anything. Historia Numorum Online is a new project, so at least you can filter out all the older usage. Chuck Entz (talk) 04:17, 16 December 2018 (UTC)
RFV-failed Kiwima (talk) 21:53, 16 January 2019 (UTC)