The Periodic Table

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Mithoron

2:57 PM

OK, I think I had enough! What's is wrong with the pictures on the site?

I can't see any most of the time!

4 hours later…

Hot nitric acid (HNQ)

7:17 PM

Q: Sargent-Welch 1947 atomic model kit, design and use

I collect and use vintage atomic / molecular model kits eg by Catalin, Courtaulds, Sargent Welch etc. These all represent molecules but intrigued by this Sargent Welch set (link below) dated 1947 design by Henry D. Hubbard who was noted for a design of the periodic table. It is the only set have ...