Over the course of the 18th century the study of meteorology assumed growing importance. Instruments for measuring such atmospheric phenomena as pressure, temperature, humidity, and the force and direction of the wind were often installed in astronomical observatories.
Maker unknown, first half 19th cent.
Maker unknown, 18th cent.
Maker unknown, Italian, late 18th cent.
Maker unknown, Italian?, late 19th cent.
Maker unknown, ca. 1845
Galgano Gori, Florence, 1846
Maker unknown, second half 19th cent.
Jaques Paul [attr.], Geneva, late 18th cent.
Maker unknown, late 18th cent.