Obstetric apparatus for the management of prolonged labor for cattle, NAMELY, volitant hook, FRET SAW, calf-pulling line, long-handle sharp hook, long-handle embryo-cutting knife, Long-handle Push-pull apparatus, blade-hiding VERTICAL knife, blade-hiding knife; Medical devices for eye measuring and testing instruments and apparatus, NAMELY, ophthalmometer, specifically keratometer, keratoscope, ophthalmoscope, and skiascope specifically an instrument used for examining the refraction of light...