https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12301978Edit ImageSaveSaveEditCropCustom TextDr. Ernest W. Reid, Assistant Chief, Chemical and Allied Production. Formerly Senior Industrial Fellow, Mellon Institute. 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 925 x 1200 px | 300 dpiLarge JPEG 2698 x 3500 px | 300 dpiBest Quality JPEG 7686 x 9971 px | 300 dpiTIFF 7686 x 9971 px | 300 dpi | 146.17 MBFree DownloadDr. Ernest W. Reid, Assistant Chief, Chemical and Allied Production. Formerly Senior Industrial Fellow, Mellon Institute. Sourced from the Library of Congress.More