In very good condition for age. Here¡s the AI description: The "Radio Designer's Handbook" third edition, published by Wireless World in the 1950s, is a valuable resource for collectors of radio memorabilia. This handbook offers practical advice and guidance for radio designers, focusing on the technology and design principles of the era. With a British origin, this manual provides insights into the radio industry during the 1950s, making it a sought-after piece for enthusiasts of vintage radios and telecommunications equipment.