FARGO — The barometer is one of the basic instruments of meteorology. It is used to measure air pressure. The word comes from a combination of two Greek words; "baro," meaning weight, and "meter," ...

Nicolas Fortin, an instrument maker in Paris in the early nineteenth century, introduced a mercury barometer with a glass and leather cistern so designed that the barometer could be safely moved from ...

Lum Woodruff, a resident of Ann Arbor, Michigan, who reported weather observations to the Smithsonian Institution, patented a portable barometer that proved to be extremely popular. Its key feature ...