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Illustration
A carnelian sealstone showing showing a hydraulis, with apprentices operating the bellows.
Roman, 1st-2nd century CE.
British Museum, 1859.3-1.112
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APA Style
Lloyd, J. (2015, February 24). Hydraulis Sealstone. World History Encyclopedia. Retrieved from https://www.worldhistory.org/image/3675/hydraulis-sealstone/
Chicago Style
Lloyd, James. "Hydraulis Sealstone." World History Encyclopedia. Last modified February 24, 2015. https://www.worldhistory.org/image/3675/hydraulis-sealstone/.
MLA Style
Lloyd, James. "Hydraulis Sealstone." World History Encyclopedia. World History Encyclopedia, 24 Feb 2015. Web. 26 Jul 2024.