Washington, D.C., in 1920. "Sprague. Decatur Heights." National Photo Company Collection glass negative. View full size.

1864. Chattanooga, Tennessee. "Boxcars and depot with Federal cavalry guard beyond. From photographs of the War in the West. Battle of Chattanooga, September-November 1863. Photograph probably taken the following year, when Chattanooga was the base for Sherman's Atlanta campaign." Wet plate glass negative, half of stereo pair, photographer unknown. View full size.

Washington, D.C., circa 1921. "Loomis Radio School." Mary Texanna Loomis, founder and owner of the school, instructing a class. View full size.

Richmond, 1865. "Castle Thunder, Cary Street. Converted tobacco warehouse for political prisoners." Main Eastern theater of war, fallen Richmond, April-June 1865. Wet plate glass negative, photographer unknown. View full size.

Cincinnati, Ohio, circa 1906. The sidewheeler Cincinnati passing under the Roebling Suspension Bridge. Detroit Publishing glass negative. View full size.

Circa 1903. "Sands Street entrance, Brooklyn Navy Yard." With a flock of newsies, and Lewis Hine nowhere in sight. Detroit Publishing Co. View full size.

1925. The Arcade, the converted streetcar barn seen in our previous post in 1913. Now it's a dozen years later, the horse has been retired, and a big radio tower has sprouted. National Photo Company glass negative. View full size.