Newton’s alchemy: what did he write, and what did he do?
Newton’s notebooks mix ideas with procedures for working with materials. A study separates a recorded recipe from an experiment we can confirm.

What Newton’s notebooks reveal
The Oxford chapter addresses theory and practice in Newton’s alchemical experimentation. It is a route into a particular researcher’s work, not a general claim that all alchemy was successful chemistry. The Oxford Handbook of Newton ↗
A notebook records more than a conclusion
Distinguish a copied procedure, an attempted experiment, an observed result, and an interpretation. Each can leave a different kind of documentary trace. The Oxford Handbook of Newton ↗
Ask what can be reconstructed
Identify the materials, wording, and manuscript context needed to reproduce an historical procedure. Unresolved identification of a substance should remain unresolved. The Oxford Handbook of Newton ↗