[ Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking, life-saving and teaching apparatus and instruments, namely, biological microscopes, stereo micro-scopes, spectroscopes, interferometers, cameras, high-speed cameras, spatial resolution spectroscopes, magnetoscopes, telescopes; helmet safety lights, ] safety lighting, namely, torch lights for indoor or outdoor use; flashing safety lights, namely, jogging lights [ , he...