Description: The Arts and Industries Building (A&I) was designed by two Philadelphia architects: Adolph Cluss and Rudolph Schulze. It first opened in 1881 as the United States National Museum, the Smithsonian’s first building dedicated solely to the research, care, and display of collections. After the natural history collection moved into its own building in 1910, the Arts and Industries
Description: [caption id="attachment_541" align="alignleft" width="144" caption="Inscription inside Lincoln's watch, by Hugh Talman, 2009, National Museum of American History"][/caption] Does photography always report on the past? Recently, as part of the Lincoln Bicentennial celebration, the Smithsonian took a closer look at a rare Lincoln object that possessed a secret message.