Binoculars; [ Cell phones; Computer mouse, namely, trackballs; ] Equatorial telescopes; [ Headphones; Meridian transit telescopes; ] Microscopes; [ Power supplies; Radios; Sound transmitting apparatus; ] Spectacles; [ Teaching apparatus in the nature of a guard that is attached to the body of a woodwind instrument for music instruction; ] Telescopes; [ Theft alarms; Video cameras; ] Zenith telescopes; [ Chronographs for use as specialized time recording apparatuses; ] Magnifying glasses; [ Op...