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FLO4565763: Fetal skeleton at six months with scythe 1, at three months 2 and at ten weeks 3. Copperplate engraving by Edward Mitchell after an anatomical illustration by Jean-Joseph Sue from John Barclay's A Series of Engravings of the Human Skeleton, MacLachlan and Stewart, Edinburgh, 1824. / Bridgeman Images
PIX4585903: Astronomical clock of the cathedral of Strasbourg - Detail - Astronomical clock of Strasbourg Cathedral - Detail - Located in the cathedral of Strasbourg, the astronomical clock was built by a team of Swiss watchmakers in 1547. It was restored and modified between 1838 and 1843 by Jean-Baptiste Schwilgue, a Strasbourg watchmaker. However, a first clock, known as the “Three Kings”, existed from 1354. In the foreground, the celestial sphere represents the position of stars and constellations. In the background, the dial shows the times of sunrise and sunset in universal time, as well as the position of the Sun and the Moon around the Earth during the day (geocentric vision). The cathedral's south transept houses an 18 - mettre astronomical clock, one of the largest in the world, built in the 16th century. It was restored and modified in the 19th century / Bridgeman Images