Drawing of Improvement in Magic Lanterns
4/19/1864
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This primary source comes from the Records of the Patent and Trademark Office.
National Archives Identifier: 4531658
Full Citation: Drawing of Improvement in Magic Lanterns; 4/19/1864; Utility Patent 42,412; Utility Patent Drawings, 1837 - 1911; Records of the Patent and Trademark Office, Record Group 241; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/improvement-magic-lanterns, April 19, 2024]Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.