June 1942. Working on power transmission and utility lines near the TVA hydro- electric plant at Chickamauga Dam or Douglas Dam, Tennessee. View full size. 4x5 Kodachrome transparency by Alfred Palmer, Office of War Information.

Bermuda Hundred, Virginia. Signal tower on left of the line near the Appomattox River. Photograph from the main eastern theater of war, the Army of the James, June 1864-April 1865. Wet collodion glass plate. View full size | Even larger. Signal towers, employed by both the Confederate and Union armies during the Civil War to transmit coded messages, used flags by day and torches by night.

Williamsburg Bridge, New York, c 1903-1910. View full size. Detroit Publishing.

New York, November 13, 1909. "Irish wrestler Pat Connelly." 8x10 glass negative, George Grantham Bain Collection. View full size.

June 1942. Truck driver at the Tennessee Valley Authority's Douglas Dam. View full size. Amazing 4x5 Kodachrome transparency by Alfred Palmer.

Chicago moviegoers waiting to see "The Philadelphia Story" starring Stewart, Grant and Hepburn. April 1941. View full size. Photograph by Russell Lee.

Easter Sunday, April 1941. Boys waiting for the processional at an Episcopal church in South Side Chicago. View full size. Photograph by Russell Lee. Observe, young people of today, how the young people of yesterday dressed: Up.

Easter Sunday, April 1941. Waiting for the processional at an Episcopal church in South Side Chicago. View full size. Photograph by Russell Lee.

East Side peddler, New York. Circa 1915. View full size. 5x7 glass negative. George Grantham Bain Collection.

June 1942. Crane at the Tennessee Valley Authority's Douglas Dam. View full size. 4x5 Kodachrome transparency by Alfred Palmer. An amazing photograph.

John Slebzak, working on the Bottomley farm near Baltimore with his family (Polish). They have worked here three years and one winter at Avery Island, Louisiana. View full size. Photograph by Lewis Wickes Hine.

April 1943. Galewood Yard of the Chicago, Milwaukee, St. Paul and Pacific Railroad (Milwaukee Road) at Chicago. View full size (if you don't, you're missing a lot). 4x5 Kodachrome transparency by Jack Delano.

Man on the porch of his house in Georgia, probably near Atlanta. 1899 or 1900. View full size. Gelatin silver print from the collection of W.E.B. Du Bois.

April 7, 1948: "Woman with chest & stomach on mat, head up and hands behind her back holding her feet." View full size. New York World-Telegram & Sun photo by Phyllis Twatchman. (Looks like a cross between Madonna and Marilyn.)

Working on the cab of a locomotive brought in for repairs at the Chicago & North Western 40th Street shops, Chicago. December 1942. View full size. 4x5 Kodachrome transparency by Jack Delano.