A reprint of the classic book written by Edward J. Nankivell, a member of the Institute of Journalists in London and an avid stamp collector. He wrote this book to promote the virtues of stamp collecting as a healthy recreation for everyone from the Price of Wales to ordinary school children. It was originally published in 1902. The timelessness of his lively arguments is apparent by their validity today. This book presents a fascinating and charming look at early stamp collecting. Its very readable narrative also provides a delightful glimpse into the wider world of pre-World War I England. The original book included a substantial section offering stamps and stamp collecting equipment from the original publisher. That section, as well as other illustrations, has been reproduced here and offers a unique look at the stamp collecting world of yesterday. Completely reformatted and typeset for readability.
Process Control for Sheet-Metal Stamping is a comprehensive and structured approach to the design and implementation of controllers for the sheet metal stamping process. The use of process control for sheet-metal stamping greatly reduces defects in deep-drawn parts and can also yield large material savings from reduced scrap. Sheet-metal forming is a complex process and most often characterized by partial differential equations that are numerically solved using finite-element techniques. In this book, twenty years of academic research are reviewed and the resulting technology transitioned to the industrial environment. The sheet-metal stamping process is modeled in a manner suitable for multiple-input multiple-output control system design, with commercially available sensors and actuators. These models are then used to design adaptive controllers and real-time controller implementation is discussed. Finally, experimental results from actual shopfloor deployment are presented along with ideas for further improvement of the technology. Process Control for Sheet-Metal Stamping allows the reader to design and implement process controllers in a typical manufacturing environment by retrofitting standard hydraulic or mechanical stamping presses and as such will be of interest to practising control engineers working in metal-working, automotive and aeronautical industries. Academic researchers studying improvements in process control and how these affect the industries in which they are applied will also find the text of value.
This provocative book challenges long-held assumptions about the nature of historical consciousness in Germany. Susan A. Crane argues that the ever-more-elaborate preservation of the historical may actually reduce the likelihood that history can be experienced with the freshness and individuality characteristic of the early collectors and preservationists. Her book is both a study of the emergence in late eighteenth- and early nineteenth-century Germany of a distinctively modem conception of historical consciousness, and a meditation on what was lost as historical thought became institutionalized and professionalized.
Public forms of remembering the past which are familiar today, such as historical museums and historical preservation, have surprisingly recent origins. In Germany, caring about the past took on these distinctively new forms after the Napoleonic wars. The Brothers Grimm gathered fairy tales and documented the origins of the German language. Historical preservationists collected documents and artifacts and organized the conservation of cathedrals and other historic buildings. Collectors formed historical societies and created Germany's historical museums. No single national consciousness emerged; instead, many groups used similar means to make different claims about what it meant to have a German past.
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