This vintage book contains a detailed guide to the various methods employed in the area measurement of leather. Although old, much of the information contained within this volume is timeless and will be of considerable utility to modern leather workers. "Technologic Papers of the Bureau of Standards No. 153 - Area Measurement of Leather" is highly recommended for those with an interest in the history and development of the leather working industry and would make for a worthy addition to collections of allied literature. Contents include: "Importance of the Subject", "Types of Area-measuring Machines used in the Leather Trade", "The Pin Machine", "Principles of Operation", "Typical Designs", "Chain and Lever Totalizing Gear", "Differential Gear Totalizing System", "Sources and Determination of Errors", "Spacing of Wheels", "Width of Rim", et cetera. Many vintage books such as this are increasingly scarce and expensive. We are republishing this volume now in an affordable, modern edition complete with a specially commissioned new introduction on leather crafting.