"Baltimore Hats, Past and Present" by William T. Brigham is a historical account written in the late 19th century. The work delves into the development of the hat manufacturing industry in Baltimore, tracing its origins and evolution over time. It highlights the shifts in styles and methodologies, as well as key figures who played significant roles in the trade. The opening of this volume sets the stage for a thorough exploration of Baltimore's hat industry, emphasizing the importance of historical context in understanding present practices. The author begins by discussing the significance of understanding past events and advancements, illustrating how technological innovations have drastically transformed the industry from labor-intensive methods to modern machinery. Brigham's narrative hints at notable events and figures in the city's hat-making history, laying the groundwork for a deeper dive into specific periods, styles, and influential families within this unique chapter of Baltimore's industrial heritage. (This is an automatically generated summary.)