Robert Mills's Patent Office in Washington, DC

Files

Robert Mills's Patent Office in Washington, DC;  now the Smithsonian Museum of American Art and the National Portrait Gallery
Date Added
July 22, 2016
Citation
“Robert Mills's Patent Office in Washington, DC,” Frank L. McGuire Maritime Library of the New London Maritime Society, accessed May 26, 2018, http://mcguirelibrary1998.omeka.net/items/show/28.