Educational and teaching apparatus and instruments in this class including prerecorded cassettes, compact discs, computer disks and videos, as well as films and mathematical instruments; measuring apparatus and instruments in this class including balances, electrical balances, mechanical balances, acid hydrometers, actinometers, aerometers, altimeters, ammeters, azimuth instruments, meteorological balloons, barometers, calibrating rings, chronographic, densimeters, detectors, diffraction apparatus, distance measuring apparatus, dynamometers, electric loss indicators, electrolysers, electroscopes, ergometers, light meters, frequency meters, galvanometers, hydrometers, hygrometers, inclinometers, light meters, micrometers, multimeters ohmmeters, pedometers, ph salinity and similar meters; oscillographs, oscilloscopes, sound meters, spectroscopes, temperature gauges, thermometers, variometers, voltmeters, voltameter, anemometer and weighing machines; computer hardware, computer software and related accessories in this class; optical instruments and apparatus in this class including telescopes, binoculars, lenses, motion detectors, eye pieces, safety glasses, sun glasses, face shields and mirrors; calculating machines and cash registers; acoustic apparatus and instruments including acoustic conduits, acoustic couplers, alarms, amplifiers, aerials andbells; telecommunication equipment and related accessories in this class including telephones, facsimile machines and answering machines; lighting apparatus and instruments in this class including dimmers; signaling apparatus and instruments including bells; scientific apparatus and instruments including fermenting equipment, furnaces, galvanising apparatus, gas testing apparatus, incubators, particle accelerators and ionisation apparatus (not for the treatment of air); laboratory equipment and apparatus in this class including dissecting instrument chemistry apparatus and instruments, laboratory furniture, magnets including electromagnets, remagnetisers and magnetic handling equipment, electrostatic equipment including electrostatic motors, Vande de Graaff Generators and accessories, vacuum pumps, vacuum jars, free fall apparatus, Boyle's Law/Charles' Law apparatus; compasses

Educational materials and apparatus in this class, including educational materials in printed form; stationery including adhesives for stationery or household purposes and stationery items, including pens and pencils; printed matter, including printed publications, newsletters, journals, periodicals, books, booklets, leaflets and brochures; paper, cardboard and goods made from these materials not included in other classes; photographs; calendars and diaries