https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13029411Edit ImageSaveSaveEditCropCustom TextPipeline construction rendering the joints of the pipes watertight by means of pneumatic caulking machine. (24 August 1923) by Leslie Adkin.Original public domain image from Museum of New Zealand Te Papa TongarewaMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 874 px | 300 dpiLarge JPEG 3500 x 2549 px | 300 dpiBest Quality JPEG 10764 x 7838 px | 300 dpiFree DownloadPipeline construction rendering the joints of the pipes watertight by means of pneumatic caulking machine. (24 August 1923) by Leslie Adkin.More