A Mechanical Account of Poisons in Several Essays is a seminal work by Richard Mead, first published in the early 18th century, that explores the nature, effects, and treatment of various poisons from a scientific and medical perspective. Drawing upon the burgeoning field of mechanical philosophy, Mead systematically examines the physical and chemical properties of poisons, their modes of action on the human body, and the symptoms they produce. The book is divided into several essays, each focusing on different types of poisons, including those derived from plants, animals, and minerals, as well as venomous bites and stings. Mead discusses the historical context of poisoning, notable cases, and the prevailing theories of his time, while also offering practical advice for physicians on the diagnosis and management of poisoning cases. He delves into the mechanisms by which poisons disrupt bodily functions, referencing contemporary scientific discoveries and experiments. The work is notable for its rational, empirical approach, moving away from superstition and speculation towards observation and analysis. Mead’s clear, methodical style makes complex medical concepts accessible, and his insights laid the groundwork for future toxicological studies. A Mechanical Account of Poisons in Several Essays remains an important historical text, reflecting the transition of medicine into a more scientific discipline and providing valuable insight into early modern understandings of toxicology.