percy walker lawrence steele (2 resultados)

Paperback. Condición: New. Print on Demand. This book delves into the fascinating world of shellac, a natural resin that has played a crucial role in a variety of industries for centuries. The author meticulously explores the history, production, and uses of shellac, providing an in-depth analysis of its properties and methods for testing its purity. The book delves into the complexities of adulteration, revealing how common practices like the addition of rosin and manila gum can compromise the quality of shellac and its derivatives. Detailed discussions of specific methods, such as the modified McIlhiney method for detecting adulteration, are presented alongside a comprehensive analysis of the different types of shellac and their distinct applications. This book offers a valuable resource for anyone seeking a deeper understanding of this fascinating material and its enduring impact on various industries throughout history. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.

Paperback. Condición: New. Print on Demand. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.