The book examines the evolution and characteristics of Pennsylvania glassware produced between 1870 and 1904. It details the various types of glassware, manufacturing techniques, and decorative styles prevalent during this significant period of American industrial and artistic development. The work likely draws upon historical records, museum collections, and expert analysis to provide a comprehensive overview of this specific regional industry.

This book is recognized as a foundational text for collectors and historians interested in American glassware, particularly from the late 19th and early 20th centuries. Its detailed focus on the Pennsylvania region provides specific insights into a key area of glass production during a period of significant industrial growth. The work is valued for its comprehensive cataloging and historical context, making it an authoritative reference for identifying and understanding these artifacts.