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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
educational science kits for teaching concepts of flight, magnetism and electricity, comprising, variously, foam glider, handcopter, propeller assembly, parachute materials, table tennis balls, pipe cleaners, balloons, kite string, straws, sticky notes, fishing line, rubber bands, paper clips, cups, index cards, batteries, battery holders, bulbs, bulb sockets, electrical clips, wire, conductor testers, paper fasteners, grease pencils, straws, salt, paper, plastic tube, tin can, sand, clay, thermometer, colored cellophane, food coloring, sponge, marbles, feathers, cotton balls, styrofoam balls, litmus paper, dowels, vials, dropper, sandstone, coffee filters, wooden sticks, pipette, magnifier, funnel, scoop, sand, gloves, polycrystals, sticks, solid critic acid, glue, borax, powder, plastic egg, paintbrush, cornstarch, toothpicks, filter paper, cloth, petri dish, chalk, baking soda, writing instruments, bottle, magnets, pencil toppers, cork and cubes, and printed teachers' guides sold therewith