Prints and Photographs Division, the White Collection/Library of Congress

Detail from ‘The Seventh Thousanth and Eighth Hundredth and Sixty Third Performance at the Diving Board L.G.H., 1911,’ an album of snapshots by the photographer F. Holland Day. This photograph and the one on page 58 are from Verna Posever Curtis’s Photographic Memory: The Album in the Age of Photography, which has just been published by Aperture