Orthopedic traction, the Archimedes screw and astronomical instruments: seven figures. Etching, 1769. https://www.rawpixel.com/image/13961852/image-paper-cartoon-personFree Image from public domain licenseHydraulics: an Archimedean screw, dredging, and hydraulic lifting. Coloured engraving by J. Lodge. https://www.rawpixel.com/image/13954577/image-person-art-technologyFree Image from public domain licenseHydraulics: two Archimedean screws, and another pump. Engraving c.1861. https://www.rawpixel.com/image/14012392/hydraulics-two-archimedean-screws-and-another-pump-engraving-c1861Free Image from public domain license