Vintage photos of:
April 1923. Washington, D.C., or vicinity. "Marathon dancers." Participants in a pop culture fad that lasted well into the 1930s; woman on the right holds a Baltimore newspaper clipping with the headline DANCERS BREAK WORLD RECORD AND DISAPPEAR. Harris & Ewing glass negative. View full size.
1957. "Robert and Norma Norton of Houston, Texas, with their family, illustrating life before and after having the house air-conditioned. Includes photos of the family at a drive-in restaurant having cool air piped into their car" -- a Cadillac sedan that already has air conditioning. Photo by Jim Hansen for the Look magazine article "How the Nortons Beat the Heat." View full size.