https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13982263Edit ImageSaveSaveEditCropCustom TextEngineering: different types of railway track in plan and side elevation. Engraving by W. Read after Galloway.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 749 px | 300 dpiLarge JPEG 3372 x 2104 px | 300 dpiFree DownloadEngineering: different types of railway track in plan and side elevation. Engraving by W. Read after Galloway.More