https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14300307Edit ImageSaveSaveEditCropCustom TextSliding framed rib along keel, preparatory to raising it, ship yard, Rockland, Maine. by Underwood and UnderwoodOriginal public domain image from Getty MuseumMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 614 px | 300 dpiLarge JPEG 3500 x 1791 px | 300 dpiBest Quality JPEG 6522 x 3337 px | 300 dpiFree DownloadSliding framed rib along keel, preparatory to raising it, ship yard, Rockland, Maine. by Underwood and UnderwoodMore