Metallic seals in the nature of mechanical seals for sealing rotating shafts

Electronic instrumentation in the nature of modules used in studies of nuclear reactions and interactions; computer hardware for computer interface in high-energy physics; digital signal averagers; silicon surface-barrier detectors; germanium and germanium lithium-drifted coaxial detectors used for charged particle spectroscopy and gamma-ray spectroscopy; multi-channel analyzers; instruments for recovery of small, periodic experimental signals normally obscured by system noise in light oriented experiments; x-ray fluorescence analyzers for determining the elemental composition and concentration of samples on a macro scale; optical spectrometers used in the study of molecular properties through measurement of the decay time of excited states; electrophoresis equipment for separation of biological materials; emission computerized axial tomographic scanner used primarily for diagnostic studies of the human brain and heart; ground and airborne mineral resource survey instruments; dew-point hygrometers and visibility meters for meteorological measurements; side-scan sonars, high resolution seismic profilers and water current meters for oceanographic measurements; low-level signal detection instruments which are used for testing, measurement, research and analysis in astronomy, spectroscopy, analytical chemistry, geology, magnetics, cryogenics, data acquisition and the biomedical and environmental sciences; electronic and electro-optical components, namely, flashtubes, pulse power supplies, and transformers and switching devices for use in photocopy and reprographic equipment, phototype setting systems, laser systems and beacons and indicators; silicon photo detectors and related hybrid circuit modules for light sensing applications; solid-state image-sensing components; image-sensor camera systems and analog memory-delay products; ceramic hydrogen thyratrons, triggered spark gaps, krytron/sprytron tubes, detonators and energy generators, for high reliability purposes generally used for rapid, controlled electrical current switching in electronic equipment such as modulators in radar equipment and missile firing equipment; electric flashlamps and electronic tubes; solid state electronic devices and circuits, namely, photo diodes, binary photo detectors, quadrature photo detectors, photo detector matrices, lithium drift radiation detectors, diffused radiation detectors, gallium-arsenide light sources, and micro-electronic integrated circuits; microwave transmitters and receivers; underwater sound transmitters and receivers; point-to-point relay communication equipment and electronic stroboscopic and other instruments, namely, motion and still picture recording apparatus, cameras, tripods, instrument carrying cases and lenses; submersible position indicator systems; water covered substrata charting systems; fluid flow measuring and controlling equipment; optical measuring equipment and testing instruments; photographic sensitometers and sensitized photographic films and plates; radiation measuring and detection equipment; electronic light flash producing equipment; lasers and masers; electric and electronic timers and automatic timing control systems; control systems for automation and related purposes; computers; oscilloscopes and electronic testing instruments for measuring physical and electrical properties and phenomena; navigational electronic equipment; satellites and associated equipment, namely, electronic flash systems for rendezvous and docking, electronic flash systems for geodetic satellites, instrumentation for space radiation measurement and photographic systems for space applications

Illuminators to provide highly collimated beams of white light; standard and custom electromechanical components and materials, namely, fans and blowers for the cooling of electronic equipment; fans for use in extreme environments and/or critical applications; blowers and blower systems using regeneration and multi-stage tech- nology for use in such industrial applications as pressurizing, conveying solids and gases, aerating, evacuating, air bearing and drying; heat dissipation devices for the electronics industry