https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12307048Edit ImageSaveSaveEditCropCustom TextDr. D.F. Morgan, Consultant on Chemical and Allied Products, Office of Production Management (OPM). Formerly with Scudder, Stevens and Clark, New York City. 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 931 x 1200 px | 300 dpiLarge JPEG 2715 x 3500 px | 300 dpiBest Quality JPEG 4184 x 5393 px | 300 dpiTIFF 4184 x 5393 px | 300 dpi | 21.54 MBFree DownloadDr. D.F. Morgan, Consultant on Chemical and Allied Products, Office of Production Management (OPM). Formerly with Scudder, Stevens and Clark, New York City. Sourced from the Library of Congress.More