Scientific, surveying, photographic, cinematographic, optical, weighing, measuring, signalling and regulating apparatus and instruments, namely, scales, and compasses, optical mirrors, surveying machines and instruments, photographic projectors and cameras, cinematographic cameras and projectors, weighing machines, instruments for measuring length and distance, rotating lights for use in signaling, signaling buoys, and microscopes; fire-extinguishing apparatus; magnifying glasses and lenses; ...