https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770606Edit ImageSaveSaveEditCropCustom TextRailroad parts. Baldwin Locomotive Works. Boilermaker tapping for stay-bolts in boiler of a modern locomotive, March 1937. Photographer: Hine, Lewis. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGLandscape Card 7 x 5" JPEG 2000 x 1417 px | 300 dpiLarge JPEG 3000 x 2125 px | 300 dpiFree DownloadRailroad parts. Baldwin Locomotive Works. Boilermaker tapping for stay-bolts in boiler of a modern locomotive, March 1937. Photographer: Hine, Lewis. Original public domain image from FlickrMore