Barometers used for experiments at the Accademia del Cimento c1666. Closed tube with mercury (left) and double water barometer

- Image ID: D96PPD
World History Archive / Alamy Stock Photo
Image ID: D96PPD
Barometers used for experiments at the Accademia del Cimento c1666. Closed tube with mercury (left) and double water barometer (right). From 'Saggi de naturali esperienze fatte nell' Accademia del Cimento', 2nd edition. (Florence, 1691). Engraving.