New York City, May 1908. "Children's Aid Society." A tottering array of tots. 8x10 glass negative, George Grantham Bain Collection. View full size.

New York City circa 1908. "Basket-Ball, Columbia University." 8x10 glass negative, George Grantham Bain Collection. View full size.

The Chicago Civic Opera soprano Florence Macbeth circa 1921 in New Jersey or New York. The concession stand is selling Atlantic City saltwater taffy; the next photo in this series is of a concert at Starlight Amusement Park in the Bronx. 5x7 glass negative, George Grantham Bain Collection. View full size.

Self-portrait circa 1910. The only thing out of focus is the photographer. Does anyone know what kind of camera he's using? Scanned from the original 5x4 inch glass negative. View full size.

Washington circa 1926. "Semmes Motor Co. John Fisher truck." The more you look at this, the more you'll see. National Photo glass negative. View full size.

New York, June 1921. "Starlight Park." Our second look at this long-forgotten (not so much as a Wikipedia entry) amusement complex surrounded by factories in the Bronx. Even the park itself has a kind of industrial look. Sign next to the rock: "All persons are FORBIDDEN to sit on the Cascade." Online, the only other pics I've been able to find show ruins. 5x7 glass negative, G.G. Bain. View full size.

March 1943. "Santa Fe R.R. shops, Albuquerque. Hammering out a drawbar on the steam drop hammer in the blacksmith shop." 4x5 Kodachrome transparency by Jack Delano for the Office of War Information. View full size.