This monograph has arisen out of a number of attempts spanning almost five decades to understand how one might examine the evolution of densities in systems whose dynamics are described by differential delay equations. Though the authors have no definitive solution to the problem, they offer this contribution in an attempt to define the problem as they see it, and to sketch out several obvious attempts that have been suggested to solve the problem and which seem to have failed. They hope that by being available to the general mathematical community, they will inspire others to consider-and hopefully solve-the problem. Serious attempts have been made by all of the authors over the years and they have made reference to these where appropriate.

British Second World War tanks performed so badly that it is difficult to bring to mind any other British weapon of the period that provokes such a strong sense of failure. Unfortunately, many of the accusations appear to be true - British tanks were in many ways a disgrace. But why was Britain, the country that invented them, consistently unable to field tanks of the required quality or quantity throughout the conflict? This perceived failure has taken on the status of a myth, but, like all myths, it should not be accepted at face value - it should be questioned and analysed. And that is what Dick Taylor does in this closely researched and absorbing study. He looks at the flaws in British financial policy, tank doctrine, design, production and development before and throughout the war years which often had fatal consequences for the crews who were sent to fight and to be murdered' in mechanical abortions'. Their direct experience of the shortcomings of these machines is an important element of the story. He also considers how British tanks compared to those of the opposition and contrasts tank production for the army with the production of aircraft for the RAF during the same period. His clear-sighted account goes on to explain how, later in the conflict, British tank design improved to the point where their tanks were in many ways superior to those of the Americans and Germans and how they then produced the Centurion which was one of the best main battle tanks of the post-war era.

A comprehensive and practical guide full of advice and inspiration for anyone wishing to capture the beauty of the urban landscape. The wonderful thing about drawing buildings is that, wherever you travel around the globe, you will never be short of subjects to inspire you. From the most elaborate of Renaissance cathedrals, through to the humble garden shed, you will always be able to practise your skills and learn a few techniques in the process. This hands-on and inspirational book will encourage you to meet the exciting challenges of drawing and painting buildings using a variety of media and a wide range of techniques, including pencil, pen, graphite powder, watercolour, water-soluble pencils and Indian ink. As you work through this book, you will look at materials and their qualities then move on to explore how to put these materials to best use when drawing specific types of building. You will be led gently through levels of learning, with easy and more challenging exercises progressing your knowledge and developing your skills. As the book is divided into discrete sections, you can dip in to a particular type of building that you wish to draw, and use the information and illustration provided, while extended teaching exercises take you through the way the author approaches composing and completing a drawing. Fully annotated paintings, working drawings and extended projects reveal how each effect was achieved. Detailed artworks in a range of styles and media are thoroughly annotated to demonstrate key techniques and important details and there are invaluable exercises for understanding perspective, negative and positive space, tone, choosing details and constructing large-scale images. The book includes thorough studies of a wide range of different architectural styles, from town houses to rural cottages and barns, from churches and classical architecture to continental cafes and street scenes. Taylor's exquisite drawings and paintings demonstrate the quality of the results that can be achieved by following his helpful guidance and advice.

This book (hardcover) is part of the TREDITION CLASSICS. It contains classical literature works from over two thousand years. Most of these titles have been out of print and off the bookstore shelves for decades. The book series is intended to preserve the cultural legacy and to promote the timeless works of classical literature. Readers of a TREDITION CLASSICS book support the mission to save many of the amazing works of world literature from oblivion. With this series, tredition intends to make thousands of international literature classics available in printed format again - worldwide.