Contemporary full brown calf binding. Spine with raised bands. Red morocco title label, red morocco volume label. Overall rubbed and scuffed. Lacks to head of both volumes. Upper joint of volume I split 1cm at head. Title labels in head compartments with number 30185.
These Elements of Chemistry are divided into two main parts, one being an exposition of contemporary chemical theories, and the second containing a treatise on the 5 elements: fire, air, water, earth and "menstrua" (liquids capable of liquefying a solid). It is in this part that the author expounds his chemical theory to which Voltaire would refer and whose work and importance he placed alongside Newton's astronomical works. The latter had planned to establish a synthesis of it which he never completed.