"Chemistry of production of hats. Lectures delivered before the Hat Makers' Association is an important book written by Smith and Watson. It describes in detail the chemical processes and technologies used in the production of hats. The publication contains useful lectures that will be of interest to fashion and manufacturing professionals, as well as anyone interested in chemistry and the history of industrial development. In the pages of this book, readers will find important information about the production processes of hats and their impact on culture and economy.