Royal Naval Hospital, Greenwich, with houses either side, ships and rowing boats in the foreground. Coloured engraving by T.… https://www.rawpixel.com/image/13956926/image-person-art-skyFree Image from public domain licenseRoyal Naval Hospital, Greenwich, with ships and rowing boats in the foreground, small houses to either side. Engraving, 174-. https://www.rawpixel.com/image/13959952/image-cartoon-person-artFree Image from public domain licenseThe construction of the great sewage tunnels, near Old Ford, Bow. Wood engraving, 1859, after F. Thompson. https://www.rawpixel.com/image/13957990/image-cartoon-person-artFree Image from public domain licenseThe engine-house at Crossness and the outfall of the southern Metropolitan sewerage. Wood engraving by J.M. Williams, 1865. https://www.rawpixel.com/image/13958742/image-cartoon-person-artFree Image from public domain licenseThe engine-house at Crossness and the outfall of the southern Metropolitan sewerage. Wood engraving by J.M. Williams, 1865. https://www.rawpixel.com/image/14008028/image-paper-cartoon-personFree Image from public domain licenseA section through the roadway of Holborn Viaduct, London: looking east, showing the middle level sewer. Wood engraving after… https://www.rawpixel.com/image/14006671/image-cartoon-person-artFree Image from public domain licenseBoring operation to connect the drainage system near Grays Inn Lane to the main sewage system. Wood engraving. https://www.rawpixel.com/image/14007372/image-horse-cartoon-personFree Image from public domain licenseRoyal Naval Hospital, Greenwich, with ships and rowing boats in the foreground, small houses either side. Engraving by J.… https://www.rawpixel.com/image/13990171/image-person-art-skyFree Image from public domain licenseRoyal Naval Hospital, Greenwich, from the Isle of Dogs, with ships and rowing boats in the foreground. Engraving, 1753. https://www.rawpixel.com/image/14008388/image-dogs-person-artFree Image from public domain licenseBoring operation to connect the drainage system near Grays Inn Lane to the main sewage system. Wood engraving. https://www.rawpixel.com/image/13973668/image-paper-horse-cartoonFree Image from public domain licenseRoyal Naval Hospital, Greenwich, with houses either side, ships and rowing boats in the foreground. Coloured engraving by T.… https://www.rawpixel.com/image/14012903/image-person-art-skyFree Image from public domain licenseRoyal Hospital, Greenwich, with many small houses either side and ships in the foreground. Engraving. https://www.rawpixel.com/image/13982099/image-cloud-cartoon-personFree Image from public domain licenseA colony of twenty adobe houses built by the inhabitants with materials supplied by the Great Western Sugar Company.… https://www.rawpixel.com/image/12270291/photo-image-person-sky-roadFree Image from public domain licenseA colony of twenty adobe houses built by the inhabitants with materials supplied by the Great Western Sugar Company.… https://www.rawpixel.com/image/12270115/photo-image-plant-person-skyFree Image from public domain licenseMiner's house at Scott's Run, West Virginia. Note sewerage system. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270793/photo-image-plant-person-skyFree Image from public domain license