The complexity of medieval & modern pre-metric weights & measures (W&M) in Britain presents an obstacle to scholarly research on Western European econ. history. The problem is: the approx. dimensions of many non-standardized measuring units, used by both the Crown & the regional & local markets, varied from time to time & from place to place; & the dimensions even of standard W&M used in any period are poorly understood. This book will clarify the confusion & bring a new focus to the field of metrology & a new understanding of the units. It includes: tables for rapid identification of all ruling English, Scottish, Irish, or Welsh sovereigns; current English Imperial, Amer. Customary, & metric units; & the basic equiv. for these W&M; & A Dict. of Brit. W&M.

This third volume of Gyllenbok's encyclopaedia of historical metrology comprises the second part of the compendium of measurement systems and currencies of all sovereign states of the modern World (J-Z). Units of measurement are of vital importance in every civilization through history. Since the early ages, man has through necessity devised various measures to assist him in everyday life. They have enabled and continue to enable us to trade in commonly and equitably understood amounts, and to investigate, understand, and control the chemical, physical, and biological processes of the natural world. The encyclopeadia will be of use not only to historians of science and technology, but also to economic and social historians and should be in every major academic and national library as standard reference work on the topic.

This interdisciplinary handbook provides extensive information about research in medieval studies and its most important results over the last decades. The handbook is a reference work which enables the readers to quickly and purposely gain insight into the important research discussions and to inform themselves about the current status of research in the field. The handbook consists of four parts. The first, large section offers articles on all of the main disciplines and discussions of the field. The second section presents articles on the key concepts of modern medieval studies and the debates therein. The third section is a lexicon of the most important text genres of the Middle Ages. The fourth section provides an international bio-bibliographical lexicon of the most prominent medievalists in all disciplines. A comprehensive bibliography rounds off the compendium. The result is a reference work which exhaustively documents the current status of research in medieval studies and brings the disciplines and experts of the field together.

This comprehensive and authoritative dictionary provides clear definitions of units, prefixes, and styles of weights and measures within the Système International (SI), as well as traditional, and industry-specific units. It also includes general historical and scientific background, covering the development of the sequential definitions and sizing of units. This new reference work will prove invaluable to professional scientists, engineers, technicians as well as to students and the general user. · Over 1,600 clear and concise entries complete with historical background · Covers a broad range of disciplines, including astronomy, electromagnetics, geology, photography, mathematics, meteorology, physics, and temperature · Notes on associated terminology · Numerous tables, including the geochronologic scale and the equation of time · Comprehensive coverage of the whole Système International