LC Subject Heading: Signals & signalling
Item 17324
Model of the Portland Observatory, ca. 1905
Contributed by: Maine Historical Society Date: circa 1905 Location: Portland Media: Painted wood
Item 100066
Vintage Tripp teardrop emergency light, Waldoboro, ca. 1960
Contributed by: Waldoboro Fire Department Date: circa 1960 Location: Waldoboro Media: Plastic, metal
