Seated in the left center is the alchemist holding up a flask while looking at manuscripts that rest on a tapestry-covered table. A man holding a vessel, a woman, and another person watch the alchemist state the diagnosis. To the far right of a globe and vessels is a young assistant working the bellows. In the background is a group of men watching a dental procedure.
Listen to the latest episodes of CHF’s award-winning podcast.
Help us preserve and share the history of chemistry and related sciences. Make a tax-deductible donation online.
Nylon valve, 1940s–1950s
©2010 Chemical Heritage Foundation