Weems, Philip Van Horn
National Museum of American History
Division of Naval History
Washington, DC 20560
ca. 9 ft.
Correspondence with instrument companies, workers in the field of navigation instruments, U.S. Navy Hydrographic Office, and business associates, relating to Weems’ business activities, development of navigation instruments, and developments in the field of navigation. Also includes patents issued to Weems, technical drawings, clippings and photos concerning Lincoln Ellsworth.