https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014093![Engineering: a powerful water pump on display at an exhibition. Engraving, [c.1865].](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djd2Y0ZzM0aHQtaW1hZ2UuanBn.jpg)
Engineering: a powerful water pump on display at an exhibition. Engraving, [c.1865].
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use