https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12302037Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Pouring a test mold while blast furnace is being tapped, Pittsburgh, Pennsylvania]. 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 854 x 1200 px | 300 dpiLarge JPEG 2489 x 3500 px | 300 dpiBest Quality JPEG 3099 x 4357 px | 300 dpiTIFF 3099 x 4357 px | 300 dpi | 25.76 MBFree Download[Untitled photo, possibly related to: Pouring a test mold while blast furnace is being tapped, Pittsburgh, Pennsylvania]. Sourced from the Library of Congress.More