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LC Subject Heading: Signal Flags
Historical Items Showing 3 of 10 View All
Item 174
Title: Signal flags, Portland, ca. 1800
Contributed by: Maine Historical Society
Date: circa 1800
Location: Portland
Media: Paper
Item 165
Title: Signal flags, Portland Observatory, ca. 1810
Contributed by: Maine Historical Society
Date: circa 1810
Location: Portland
Media: art on paper
Item 6157
Title: Signals at the Portland Observatory
Contributed by: Maine Historical Society
Date: circa 1807
Location: Portland
Media: Watercolor on paper