This 1976 catalog showcases a wide range of Bird instruments specifically designed for RF power measurement. The brand, Bird, is known for its quality products and this catalog is no exception. It offers a comprehensive guide to a variety of instruments that can be used in different industries, including business and industrial, test, measurement, and inspection. The catalog covers various equipment manuals and books, offering free shipping of the items. It is an essential guide for professionals who require reliable instruments to measure RF power. This catalog is ideal for those seeking useful and practical information on Bird instruments without mentioning the condition of the items.