https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14022069Edit ImageSaveSaveEditCropCustom TextA model electric railway with technical equipment for testing. Wood engraving by T.P. Collings, 1882.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1012 px | 300 dpiLarge JPEG 3038 x 2562 px | 300 dpiFree DownloadA model electric railway with technical equipment for testing. Wood engraving by T.P. Collings, 1882.More