LC Subject Heading: Window shades--Patents
Item 28440
Contributed by: Maine Historical Society Date: 1917-02-06 Location: Portland Media: Ink on paper, ribbon
https://www.mainememory.net/search/?loc_headings=Window+shades--Patents
LC Subject Heading: Window shades--Patents
Contributed by: Maine Historical Society Date: 1917-02-06 Location: Portland Media: Ink on paper, ribbon