Fenner’s Complete Formulary and Handbook, published in 1888 by Byron Fenner, is a comprehensive compilation of pharmaceutical recipes and manufacturing techniques from the late 19th century. Designed as a practical guide for pharmacists, chemists, and manufacturers, the formulary encompasses a vast array of preparations, reflecting the medical and commercial practices of its time. It serves as a testament to the era when pharmacists played a pivotal role in compounding and customizing remedies for individual needs.​

The book is systematically divided into several parts. Parts I and II lay the groundwork by defining drugs and medicinal substances, followed by detailed methods of preparation. These sections provide foundational knowledge essential for understanding the subsequent formulations. Parts IIIa and IIIb, titled “Working Formula,” delve into the practical aspects, offering over 2,500 recipes for a wide range of products including tinctures, extracts, emulsions, oils, pills, powders, and ointments. These sections highlight the meticulous processes involved in creating both common and specialized pharmaceutical items.​

Part IV focuses on standard remedies and proprietary medicines, presenting formulas for various treatments categorized by ailments such as ague, asthma, and coughs. This section underscores the formulary’s role in guiding the production of widely used medicinal products of the time. Part V shifts attention to personal care, detailing recipes for cosmetics, perfumes, and other toilet preparations. Here, one can find instructions for creating creams, rouges, shaving creams, and other beauty products, reflecting the integration of pharmacy and personal grooming in that era.​

The final section, Part VI, encompasses miscellaneous formulas, including adhesives, inks, polishes, and even artificial wines. This diverse collection illustrates the broad scope of the pharmacist’s role beyond just medicinal preparations. Fenner’s Complete Formulary not only provides a window into the pharmaceutical practices of the 19th century but also serves as a valuable resource for understanding the historical context of medicine, pharmacy, and related industries. Its detailed recipes and comprehensive coverage make it a significant reference for those interested in the evolution of pharmaceutical sciences.