Telescopes, periscopes; directional compasses; speed indicators; laboratory apparatus in the nature of centrifuges; microscopes; magnifying glasses; apparatus for recording, transmission or reproduction of sound or images; cameras, photographic cameras; television apparatus for projection purposes and televisions; video recorders, CD and DVD players and recorders; mp3 players; computers, desktop computers, tablet computers; wearable technological devices, namely, smart watches; electronically...