File:Verin.medieval.png

...Le vérin, cet engin composé aujourd'hui de fortes pièces de bois horizontales dans lesquelles passent deux grosses vis en bois qui traversent l'une des deux pièces et d'un pointail vertical qui les réunit, était employé, pendant le moyen âge, pour soulever des poids très-considérables, et a dû précéder le cric. Villard de Honnecourt donne un de ces engins dont la puissance est supérieure à celle du cric, mais aussi est-il beaucoup plus volumineux (4)...

This image comes from Dictionary of French Architecture from 11th to 16th Century (1856) by Eugène Viollet-le-Duc (1814-1879).

	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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