Four boxes of historical glass slides including scenic views, architectural sites, notable portraits, maps, etc, ca. late 19th Century. Many from Boston, Washington DC, East Coast. Of note; aerial view of Manhattan Island, Chicago "Around the World Plane" Bolling Field Wash D.C., Bar Harbor from Scotts Hill ME, Miners Homes Pennsylvania Coal Center, Builders building steel frame skyscraper. slides 4" x 3".