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Since the 1930s, more than 1.5 million glass paperweights have been made in Britain. Here is the first comprehensive reference to identify them. Whether you have been given one paperweight as a gift and know nothing about the subject, or are a serious collector who owns hundreds of items, this book is certain to prove indispensable. For the beginner, the illustrations and listings will help in identifying your paperweight, as well as giving its value. The production of glass paperweights in Britain is due largely to the initial stimulus of one person, Paul Ysart, whose family settled in...

Living resources of the sea and fresh water have long been an important source of food and economic activity. With fish stocks continuing to be over-exploited, there is a clear focus on fisheries management, to which acoustic methods can and do make an important contribution.

The second edition of this widely used book covers the many technological developments which have occurred since the first edition; highly sophisticated sonar and computer processing equipment offer great new opportunities and Fisheries Acoustic, 2e provides the reader with a better understanding...