Genre:

Letter, Introduction; List

Subjects:

Meteorology, Prognostication, Navigation, Instruments, Magnetism, Astronomy

    'The Ox-Eye, so called by seamen, is a remarkable appearance in the heavens, resembling a small lurid speck, and always precedes two particular storms, known only between the tropics. Azimuth-Compass is an instrument employed for ascertaining the sun's magnetical azimuth.'