The “Semi-Annual Report on Essential Oils, Synthetic Perfumes, &c.” published by Schimmel & Co. in 1918 offers a comprehensive overview of the developments in the essential oils and synthetic perfume industries during that period. The report is a continuation of the company’s efforts to document advancements in the production and application of essential oils, reflecting the growing interest and commercialization of these products in the early 20th century.​

This publication serves as a valuable resource for understanding the state of the essential oils industry in 1918, providing insights into the technological innovations, market trends, and scientific research that influenced the production and use of essential oils and synthetic perfumes during that era.​