See other listings. lots of old technical books added! The General Purpose Linear Devices Data Book 1989 NSC is a comprehensive reference guide published by National Semiconductor, offering detailed information on a variety of electronic components and semiconductors. This data book provides engineers and technicians with essential data and specifications for linear devices, making it a valuable resource for those in the electronics industry. With a focus on quality and reliability, this publication is a must-have for anyone involved in electrical equipment and supplies.