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View the full document here: https://docsteach.org/document/chalk-used-for-final-polishing-and-ink-removal-before-printing/
This primary source comes from the Records of the National Archives and Records Administration.
National Archives Identifier: 6922223
Full Citation: Chalk Used for Final Polishing and Ink Removal before Printing; 4/13/1976; Records of the National Archives and Records Administration, Record Group 64. [Online Version, https://docsteach.org/document/chalk-used-for-final-polishing-and-ink-removal-before-printing/, February 22, 2026]
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