9 Spectrochemical Instruments-Namely, Spectrometers, Spectrographs, Analyzers, Monitors, Electrical Spark Sources for Energizing Samples to Emit Radiation for Analysis, and Circuitry and Readouts Therefor; Optical Instruments-Namely, Filters, Imagers, Night Vision Scopes, and Electronic Circuitry Associated Therewith; Atomic Instruments-Namely, Detectors, Radiation Cameras, and Electronic Circuitry and Readouts Therefor