Apparatus, instruments and cables for measuring electricity; optical devices, namely, night vision goggles, optical cables, optical couplers, optical sensors, and optical readers; optical device enhancers and correctors, namely, optical phase shifters, optical reflectors, and optical semiconductor amplifiers; navigation, guidance, tracking, targeting and map making devices, namely, surveying apparatus, surveying instruments, and distance measuring apparatus; Measuring devices, namely, distanc...