https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12337448Edit ImageSaveSaveEditCropCustom TextFrederick, Maryland. Walter Spangenberg, a student at Woodrow Wilson High School, spinning the propeller for a fellow student at the Stevens Airport. 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 1188 x 1200 px | 300 dpiLarge JPEG 3465 x 3500 px | 300 dpiBest Quality JPEG 4958 x 5008 px | 300 dpiTIFF 4958 x 5008 px | 300 dpi | 47.38 MBFree DownloadFrederick, Maryland. Walter Spangenberg, a student at Woodrow Wilson High School, spinning the propeller for a fellow student at the Stevens Airport. Sourced from the Library of Congress.More