This practical guide, written in 1908, offers a comprehensive approach to concrete-block making, addressing a burgeoning industry with a focus on durability and craftsmanship. The author, drawing on three decades of experience in concrete work, provides detailed instructions on selecting materials, determining proper proportions, and mastering the mixing and tamping process. This book meticulously covers the construction of both simple and more complex molds, emphasizing the significance of proper curing for optimal block strength and longevity. The text also highlights concerns architects and builders had about the then-current state of concrete block construction, focusing on the limitations of standardized sizes, weight issues, and the aesthetic shortcomings of common block designs. This includes insightful discussions on improving the appearance and utility of concrete blocks, emphasizing the importance of original designs and the avoidance of imitation. Readers will gain a valuable understanding of the practical techniques and artistic considerations crucial to producing high-quality concrete blocks, an invaluable resource for anyone interested in early 20th-century building practices and the development of concrete as a construction material.