https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12307763Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsConversion. Pianos to airplane motors. From piano keys to parts for trainer planes. Lorraine Avezzano, pictured at work in a Chicago piano factory prior to its conversion to war production. She uses the same boring machine today to process parts for Uncle Sam's trainer planes. Gulbransen Company. Sourced from the Library of Congress.MoreConversion. Pianos to airplane motors. From piano keys to parts for trainer planes. Lorraine Avezzano, pictured at work in a Chicago piano factory prior to its conversion to war production. She uses the same boring machine today to process parts for Uncle Sam's trainer planes. Gulbransen Company. 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 874 px | 300 dpiLarge JPEG 3500 x 2550 px | 300 dpiBest Quality JPEG 8628 x 6286 px | 300 dpiTIFF 8628 x 6286 px | 300 dpi | 103.45 MBFree Download