Needles for record players; styli for record players; cartridges for mounting record player needles; tone arms for record players; headshells for mounting cartridges for mounting record players needles on tone arms; apparatus for changing record player needles; speed regulators for record players; turntable mats for record players; adapters for fixing single records on record player turn tables; needle rests for record players; record players; speakers for record players; pickups for telecommunication apparatus; phonograph records; downloadable music files; optical disks; headphones; earphones; amplifiers; vacuum tubes; telecommunications apparatus and instruments; electronic machines, apparatus and their parts; electronic publications, downloadable; power distribution or control machines and apparatus; rotary converters; phase modifiers; batteries and cells; electric or magnetic meters and testers; electric wires and cables; electric buzzers; magnetic cores; resistance wires; electrodes, other than welding electrodes or medical electrodes