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The book explores the geometric and kinematic design of the various types of gears most commonly used in practical applications, also considering the problems concerning their cutting processes. The cylindrical spur and helical gears are first considered, determining their main geometric quantities in the light of interference and undercut problems, as well as the related kinematic parameters. Particular attention is paid to the profile shift of these types of gears either generated by rack-type cutter or by pinion-rack cutter. Among other things, profile-shifted toothing allows to obtain teeth shapes capable of greater strength and more balanced specific sliding, as well as to reduce the nu...
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Originating at an international forum held at the University of Vic (Spain), the twelve essays collected here attest to important changes in translation practice and the assumptions which underpin them. Leading theorists respond to the state of Translation Studies today, particularly the epistemological dilemma between theories that are empirically oriented and those that are inspired by developments in Cultural Studies. But the volume is also practical. Experienced instructors survey existing pedagogies at translator/interpreter training programs and explore new techniques that address the technological and global challenges of the new millennium. Among the topics considered are: how to use...
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Members of the Moravian Church who settled in North Carolina were meticulous record keepers, documenting almost every aspect of their day-to-day lives. A significant part of those records is preserved in the form of photographs. Moravian photographers-both professional and amateur-created an enduring legacy by capturing their society and surroundings in faithful detail. Their photographs, which record the towns of Bethabara, Bethania, Salem, Friedberg, Hope, and Friedland, as well as other communities throughout the state, provide a rare glimpse into the historic world of Moravian life in North Carolina.
Following Italy's unification in 1861, architects, artists, politicians, and literati engaged in volatile debates over the pursuit of national and regional identity. Growing industrialization and urbanization across the country contrasted with the rediscovery of traditionally built forms and objects created by the agrarian peasantry. Pride in Modesty argues that these ordinary, often anonymous, everyday things inspired and transformed Italian art and architecture from the 1920s through the 1970s. Through in-depth examinations of texts, drawings, and buildings, Michelangelo Sabatino finds that the folk traditions of the pre-industrial countryside have provided formal, practical, and poetic inspiration directly affecting both design and construction practices over a period of sixty years and a number of different political regimes. This surprising continuity allows Sabatino to reject the division of Italian history into sharply delimited periods such as Fascist Interwar and Democratic Postwar and to instead emphasize the long, continuous process that transformed pastoral and urban ideals into a new, modernist Italy.