Calculators; Cameras; Eyeglasses; Microscopes; Scales; Telescopes; Timers; Bicycle speedometers; Eyeglass cases; Eyeglass chains; Measuring tapes; Network cards; Protective eye pieces; Rechargeable electric batteries; Signal whistles; Sound cards; Speaker microphones; Telephone apparatus, namely, intercoms; Temperature indicators; Thermal printers; Video projectors; Video tape recorders