In a laboratory with a large open window in the center, an alchemist is reading a book while stirring the contents in a crucible. A young boy is carrying a jug to the alchemist. In the background assistants are working near a hearth.
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.
Merck litmus paper, 1934
©2010–2015 Chemical Heritage Foundation