Item 20161 - Window screen advertisement, Portland, 1867 Item 20161 - Window screen advertisement, Portland, 1867 Contributed by Maine Historical Society Item 20161 Zoom 3328px x 4424px - 11.1"w x 14.7"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info George L. Lothrop of Exchange Street in Portland sold Barker's Universal Window Screens, patented February 12, 1867. Show Details