SANDBERG, Chet, 5754 Howe St. Pittsburgh, Pa.15232/412-363- 8483 Westinghouse Research, Churchill Blvd. Pgh. Pa.15235 412-256-7653 electrical engineering, mechanical engineering,bio-engineering/ medicine, aeronautics/aerospace, physics, hydraulics, fluidics, pneymatics,computers:graphics/film, optics, light,light equipment/projection lasers, strobes, acoustics, ultrasonics, audio-visual conversions, tape recording, photography, circuit design, integrated circuits, transistors, architecture.