August 27, 1925. Montgomery County, Maryland. "Mrs. Margaret Barnes at the Rockville Fair." View full size. 4x5 glass negative, National Photo Company.

1926 or 1927. "Mr. Tabber Raleigh Habudashu," says the Library of Congress. What we see written on the negative is "Tabber of Raleigh, Haberdasher." 4x5 glass negative, National Photo Company Collection. View full size.

"Barchet, fullback, Navy, 1922." Steve Barchet, backfield star of the Naval Academy in Annapolis. View full size. National Photo Company Collection.

Another slide from Set 2 of found 35mm Kodachromes. On the wall, a September 1952 calendar; on the floor, an Indianapolis phone book. At the right, a projection screen where perhaps this very slide was shown after being developed. In the kitchen: many little decorative decals on the cabinet doors. View full size.

"Man demonstrating ship rescue apparatus" circa 1915 somewhere near New York City. View full size. 5x7 glass negative, George Grantham Bain Collection.

March 1911. Magnolia, Mississippi. "Magnolia Cotton Mills spinning room. See the little ones scattered through the mill. All work." View full size. Photograph (original glass negative) and caption by Lewis Wickes Hine.

1928. At the Glen Echo amusement park in Montgomery County, Maryland, near Washington. View full size. National Photo Company Collection.