Laurel, MD: Johns Hopkins APL, 1984. Presumed First Edition, First printing thus. Hardcover. 420 pages. Illustrations (some in color). Diagrams. References. Notes. Indexes. Some wear/soiling to boards. Scuff at bottom of spine. Bound volume includes Numbers 1-4. This copy belonged to R. J. Thompson, special assistant to the Director of the Applied Physics Laboratory. The Johns Hopkins APL Technical Digest is an unclassified technical journal published quarterly by APL. The objective of the publication is to communicate the work performed at the Laboratory to its sponsors and to the scientific and engineering communities, defense establishment and industry. Issue #3 has a computer technology theme. This volume also includes articles on: Command and Control, Photoradiation Therapy, Drag Reduction, Image Processing, HILAT, Spacecraft, Ocean Thermal Energy, Autopilot, ADA, AMPTE, APLNET, Navigation Satellite, Loran-C, Global Positioning System, Remote Sensing, Radar Altimetry, Spaceborne Synthetic Aperture Radar, Industrial Innovation, Waveguide Acoustics, and Prime Meridian. More