https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12286021Edit ImageSaveSaveEditCropCustom TextProfiler shaping the curve of propeller blade. Hamilton Propeller plant. East Hartford, Connecticut. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 1168 px | 300 dpiLarge JPEG 3500 x 3407 px | 300 dpiBest Quality JPEG 4967 x 4835 px | 300 dpiTIFF 4967 x 4835 px | 300 dpi | 45.83 MBFree DownloadProfiler shaping the curve of propeller blade. Hamilton Propeller plant. East Hartford, Connecticut. Sourced from the Library of Congress.More