File:Aeolipile (from Pneumatica).jpg
Aeolipile_(from_Pneumatica).jpg (204 × 234 pixels, file size: 10 KB, MIME type: image/jpeg)
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[edit]DescriptionAeolipile (from Pneumatica).jpg |
English: Illustration accompanying Hero's entry in Pneumatica, published in the first century AD. "No. 50. The Steam-Engine. PLACE a cauldron over a fire: a ball shall revolve on a pivot. A fire is lighted under a cauldron, A B, (fig. 50), containing water, and covered at the mouth by the lid C D; with this the bent tube E F G communicates, the extremity of the tube being fitted into a hollow ball, H K. Opposite to the extremity G place a pivot, L M, resting on the lid C D; and let the ball contain two bent pipes, communicating with it at the opposite extremities of a diameter, and bent in opposite directions, the bends being at right angles and across the lines F G, L M. As the cauldron gets hot it will be found that the steam, entering the ball through E F G, passes out through the bent tubes towards the lid, and causes the ball to revolve, as in the case of the dancing figures." |
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1st century AD date QS:P,+050-00-00T00:00:00Z/7 |
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Source | http://www.history.rochester.edu/steam/hero/section50.html | |||||
Author | Hero of Alexandria | |||||
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current | 01:30, 4 July 2009 | ![]() | 204 × 234 (10 KB) | PeterJewell (talk | contribs) | {{Information |Description={{en|1=Illustration accompanying Hero's entry in Pneumatica, published in the first century AD.}} |Source=http://www.history.rochester.edu/steam/hero/section50.html |Author=Hero of Alexandria |Date=1st Century AD |Permission={{P |
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