Louis Albert Fischer and William Parry's classic text on the weights and measures of the United States is an essential resource for anyone working in a scientific or technical field. First published in 1913, the book is an exhaustive survey of state and federal laws regulating the use of weights and measures, as well as a review of the science behind these measurements. The authors also provide practical advice for those in the field and a wealth of historical and philosophical context for the significance of measuring in human societies. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.