An essay on the winds and the currents of the ocean

"An essay on the winds and the currents of the ocean" is a scientific essay about the nature of the earth. It is written by William Ferrel, American meteorologist who developed theories which explained the mid-latitude atmospheric circulation cell in detail. This essay contains a proposal of a model by the author, for the Earth's wind circulation in middle latitudes. It saw him become the founder of the subject of geophysical fluid dynamics.