https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8799880Edit ImageSaveSaveEditCropCustom TextCannon of largest size mounted in Fort, at Battery Rodgers. Photographer: Brady, Mathew, 1823 (ca.) - 1896. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 960 px | 300 dpiLarge JPEG 3000 x 2401 px | 300 dpiFree DownloadCannon of largest size mounted in Fort, at Battery Rodgers. Photographer: Brady, Mathew, 1823 (ca.) - 1896. Original public domain image from FlickrMore