BMR163155 Clockwork bird, from \'Les Raisons des Forces Mouvantes\' by Salomon de Caus (c.1576-1626), 1615 (engraving) by French School, (17th century); Bibliotheque Mazarine, Paris, France; (add.info.: \'Les raisons des forces mouvantes, avec diverses machines tant utiles que plaisantes et dessins de grottes et de fontaines\', published in Frankfurt; inspired by Heron d\'Alexandrie (1st century AD);); 穢 Bibliotheque Mazarine ; 穢 Archives Charmet; French, out of copyright.