Ancestors

Toot

Written by James Green on 2025-01-25 at 00:25

Henley's Twentieth Century Formulas, Processes & Trade Secrets is great resource for figuring out what is being talked about in late 19th C & early 20th C medical, industrial, pharmacology, metallurgy, etc. reports, journals & news articles. This is the 1957 edition. I recommend the 1907 edition that is available from archive_dot_org..

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Descendants