https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14018416![Architecture: sections through a lime-kiln [], with blocks of limestone heaped up for heating. Engraving by Bénard after…](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djeHZkNHB6NTQtaW1hZ2UuanBn.jpg)
Architecture: sections through a lime-kiln [], with blocks of limestone heaped up for heating. Engraving by Bénard after Lucotte.
Original public domain image from Wellcome Collection
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