1640s introductions

thumb|A Pascaline signed by Pascal in 1652 thumb|Top view and overview of the entire mechanism. This version of Pascaline was for accounting.

equipment producing low air pressure

demonstration of metallic salts crystallization

Bouts-Rimés (French, literally 'rhymed-ends') is the name given to a kind of poetic game defined by Addison in the Spectator as "lists of words that rhyme to one another, drawn up by another hand, and given to a poet, who was to make a poem to the rhymes in the same order that they were placed upon the list".

coat of arms

class of mechanical calculator, usually specialized for bookkeeping calculations

thumb|upright|Citrus aurantium bizzarria. Drawing; A.Poiteau 1811, watercolor; D.Del Pino 1821