1-158-615 - Oxford Science Archive/Heritage Images

Experimental barometers used by the Accademia dell Cimento, Florence, Italy, 1691. Closed tube with mercury (left) and double water barometer (right). From Saggi di naturali esperienze fatte nell' Accademia del Cimento (Tests of Natural Experiences). This book, first published in 1666, described the work done by the Accademia Cimento in Florence during its existence from 1657-1667. 2nd edition (Florence, 1691).