9 Measuring apparatus and instruments especially adapted for use at sea, namely directional compasses, sextants, binoculars, telescopes, length measuring gauges, level gauges, pressure gauges, hygrometers, hydrometers, route and bow indicators, speed indicators, thermometers not for medical use, high pressure manometers; eyeglasses, spectacles, sunglasses, pince-nez, contact lenses, eyeglass lenses, spectacle lenses, sunglass lenses, optical lenses, eyeglass cases, spectacle cases, sunglass cases, contact lens cases, eyeglass frames, spectacle frames, sunglass frames, eyeglass chains and cords, spectacles chains and cords, sunglass chains and cords