https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14013373Edit ImageSaveSaveEditCropCustom TextEarly water supply of London: conduit at Knightsbridge, the conduit at Pall Mall, and a map showing heads of water in central London. Wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 550 x 1200 px | 300 dpiLarge JPEG 1604 x 3500 px | 300 dpiBest Quality JPEG 1800 x 3928 px | 300 dpiFree DownloadEarly water supply of London: conduit at Knightsbridge, the conduit at Pall Mall, and a map showing heads of water in central London. Wood engraving.More