"Merchants Transfer & Storage Co., Washington, D.C." In 1911, moving a boiler on D Street within sight of the Capitol with a 12-horse team. Bonus: Many old billboards. Harris & Ewing Collection glass negative. View full size.

New York circa 1907. "Marble Collegiate Church, Fifth Avenue." Surrounded by a host of ectoplasmic pedestrians. 8x10 inch glass negative. View full size.

Somewhere in Europe circa 1918, from a series of World War I views. "Dead German artilleryman." Bain News Service glass negative. View full size.

Washington, D.C. "Flood, April 30, 1923." Also some 91-year-old graffiti: "EH L TD." National Photo Company Collection glass negative. View full size.

May 1925. "Major John G. Quekemeyer, formerly aide-de-camp to General Pershing, with 'Argentina,' a 6-year-old Polo pony given to him by the Minister of War of the Argentine Republic, General Justo. The General presented six ponies while he was in South America." Harris & Ewing glass negative. View full size.

Malden, Massachusetts, circa 1906. "Pleasant Street from Malden Square." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.

April 24, 1923. Washington, D.C. "Canadian horseman Jack Prestage on his thoroughbred Tipperary." National Photo glass negative. View full size.

New Zealand, 1907. "Wanganui Herald newspaper staff and bicycles, photograph­ed by Frank J. Denton. Newsboys holding copies of The Yeoman and Herald." Note the kid in back on the horse. Tesla Studios glass negative. View full size.

Denver, Colorado, circa 1908. "Welcome arch at Union Depot looking down 17th Street." The arch, with the Hebrew benediction "mizpah" soon replacing WELCOME on the other (departure) side, was torn down in 1931. View full size.

November 13, 1911. "New York streets during garbage strike." Note ashcans full of actual ashes. Bain News Service glass negative. View full size.

Circa 1910. "Beech Street -- Manchester, New Hampshire." Note the carbon arc lamp and its elaborate rigging. 8x10 glass negative. View full size.

Charleston, South Carolina, circa 1920. "Street scene with horse and wagon." 4x5 inch nitrate negative by Arnold Genthe. View full size.

New Orleans circa 1923. "View of a street and roofs." Also an ice wagon whose horse is wearing a hat. Bonus points if you can identify the street. Nitrate negative by Arnold Genthe. View full size.

Circa 1901. "The Islesworth and Virginia Avenue, Atlantic City." Much interesting signage among the hotels, our favorite being the advertisement for photo developing and printing "in 12 hours." 8x10 glass negative. View full size.

June 1943. "Corpus Christi, Texas." The Ascension. Medium format negative by John Vachon for the Office of War Information. View full size.