Civil engineering: a canal passing through hilly terrain (above), and diagrams of canal locks and pressure-regulating… https://www.rawpixel.com/image/13954004/image-paper-cloud-cartoonFree Image from public domain licenseHydraulics: siphon, pumps, and a beam pump. Engraving c.1861. https://www.rawpixel.com/image/13965949/hydraulics-siphon-pumps-and-beam-pump-engraving-c1861Free Image from public domain licenseCivil engineering: diagrams of canal locks. Coloured engraving by J. Pass, 1800. https://www.rawpixel.com/image/13953213/image-cross-art-public-domainFree Image from public domain licenseHydraulics: pumps, and a steam-engine. Engraving by J. Moffat after J. Farey, ca. 1813. https://www.rawpixel.com/image/13956378/image-steam-pattern-technologyFree Image from public domain licenseHydraulics: various designs for pumps. Engraving by A. Bell. https://www.rawpixel.com/image/13968726/hydraulics-various-designs-for-pumps-engraving-bellFree Image from public domain licenseHydraulics: diagrams illustrating displacement, diffration and lensing. Engraving by W. Lowry, 1811. https://www.rawpixel.com/image/13967764/image-paper-cartoon-artFree Image from public domain licenseThe 1904 World's Fair, St. Louis, Missouri: hydraulic machinery produced by the Stillwell-Beirce and Smith-Vaile Company of… https://www.rawpixel.com/image/13969364/photo-image-person-technology-public-domainFree Image from public domain licenseHydraulics: a fountain at Grenelle, Paris, with spectators. Wood engraving by C. W. Sheeres, 1857. https://www.rawpixel.com/image/13966002/image-person-art-skyFree Image from public domain licenseHydraulics: pipes, pumps, fountains, etc. Engraving c.1861. https://www.rawpixel.com/image/13970319/hydraulics-pipes-pumps-fountains-etc-engraving-c1861Free Image from public domain licenseHydraulics: six different kinds of waterwheel, used for lifting weights. Engraving c.1861. https://www.rawpixel.com/image/13965222/image-paper-circle-public-domainFree Image from public domain licenseHydraulics: a water-wheel with a pressure relieving device, side elevation. Engraving by J. B. Taylor after J. Pinchback. https://www.rawpixel.com/image/13971954/image-art-pattern-circleFree Image from public domain licenseCivil engineering: diagrams of canal locks and pressure-regulating mechanisms. Engraving by G. Daws. https://www.rawpixel.com/image/14016266/image-paper-horses-spaceFree Image from public domain licenseHydraulics: a hydro-pneumatic workbench. Engraving by A. W. Warren after R. Cocking. https://www.rawpixel.com/image/13972461/image-technology-water-public-domainFree Image from public domain licenseHydraulics: a pot filter and a sedimentation trap. Engraving by Mutlow after Blunt. https://www.rawpixel.com/image/13980443/image-paper-cartoon-patternFree Image from public domain licenseHydraulics: a water-wheel with a pressure relieving device, end elevation and plan. Engraving by J. B. Taylor after J.… https://www.rawpixel.com/image/13986046/image-paper-water-public-domainFree Image from public domain licenseEton College from Romney Lock, Berkshire. Wood engraving by P. Roberts after P.H. Delamotte. https://www.rawpixel.com/image/14019700/image-plant-tree-artFree Image from public domain licenseA hydraulic system for a Rowntree's fire engine. Engraving by W. Lowry, 1812, after J. Farey. https://www.rawpixel.com/image/13975723/image-airplane-pattern-fireFree Image from public domain licenseHydraulics: three devices, including a pump, a clock, and a drinking fountain. Woodcut, 1659. https://www.rawpixel.com/image/13989992/image-paper-cartoon-artFree Image from public domain licenseHydraulics: a geyser, underground springs, and a steam-engine. Engraving, 1747. https://www.rawpixel.com/image/14017224/hydraulics-geyser-underground-springs-and-steam-engine-engraving-1747Free 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 licenseWashington, D.C. Scrap salvage campaign, Victory Program. Motor which runs hydraulic press for metal in a wholesale… https://www.rawpixel.com/image/12289721/photo-image-person-public-domain-factoryFree Image from public domain licenseWashington, D.C. Scrap salvage campaign, Victory Program. Powerful hydraulic press for pressing metal scrap into blocks in… https://www.rawpixel.com/image/12289748/photo-image-person-technology-public-domainFree Image from public domain license