The Bay Area in 1920. "Dodge auto on boardwalk. 'The Damner' on Miller Tires Coast-to-Coast." All we know about what seems to have been a promotional stunt is preserved in this 5x7 glass negative by Christopher Helin. View full size.

Washington, D.C., 1935. "Woman at Western Electric telephone switchboard." Harris & Ewing Collection glass negative. View full size.

"Boston Common, 1920, Park Street side. Horses pulling snow plow." 4x5 inch glass negative, photographer unknown. View full size.

From around 1952, what looks to be somewhere in the Northeast, comes this faded 120 Ektachrome of a Cities Service gas station. Fillerup with Premium, and we'll be in the coffee shop while the Cadillac is on the lube rack. View full size.

From circa 1900, somewhere in North America, comes this glass negative labeled "Lettis. Women on swing." The giant hats are especially fetching. View full size.

"Paiges on Fillmore Hill at Broadway." San Francisco in 1926 is the setting for this latest entry in the Shorpy Pageant of Extinct Conveyances, a passel of parked Paiges. 8x10 film negative by Christopher Helin. View full size.

From circa 1900 in Parts Unknown comes this 4x5 glass negative of G.H. Wood Jeweler, the business, and possibly a Wood or two. View full size.

Detroit circa 1911. "Dime Savings Bank under construction." A preliminary look at the future skyscraper and, at left, the clock tower of the Detroit Post Office. 8x10 inch glass negative, Detroit Publishing Company. View full size.

This was taken in Provincetown, Massachusetts. All I know about it is the year and location. Scanned from the original 4x5 inch acetate negative. View full size.

From the early 1900s comes this nightshirted posse of college men, possibly in Wyoming. Three cheers for old Pimento U! 4x5 glass negative. View full size.

Detroit circa 1908. "Corner of Grand Circus Park." If a circle can be said to have a corner. Maybe more like a pie slice. 8x10 inch glass negative. View full size.

New York circa 1905. "Circus at Luna Park, Coney Island." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.

"Floyd at Folks -- Jan 20 1952." In this latest installment of Minnesota Kodachromes, Floyd shows that warmth and style need not be mutually exclusive. 35mm color slide by Hubert Tuttle. View full size.

Northern California in 1924. "Willys Knight touring car on dirt road." With both Red Crown and Budweiser filling stations close by for parched cars and drivers, the Prohibition-era beer probably not as potent as the gasoline. 5x7 inch glass negative by automotive impresario Christopher Helin. View full size.

May 1943. "Bethlehem-Fairfield shipyards, Baltimore, Maryland. Liberty ship construction. Welding on a hatch assembly at night." Medium format negative by Arthur Siegel for the Office of War Information. View full size.