https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3306700Edit ImageSaveSaveEditCropCustom TextMr. Detrich works inside his barn in Flourtown, Pennsylvania on April 29, 1903. Photo courtesy National Archives and Records Administration.. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGA4 Landscape JPEG 3508 x 2458 px | 300 dpiBest Quality JPEG 3896 x 2730 px | 300 dpiFree DownloadMr. Detrich works inside his barn in Flourtown, Pennsylvania on April 29, 1903. Photo courtesy National Archives and Records Administration.. Original public domain image from FlickrMore