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.

Circa 1900, back at the Handlebars Homestead. Lettis, bikes. f5.6 no filter +2" shirts is what it says on the sleeve. 4x5 inch glass negative. View full size.

Circa 1900. "Lettis -- girl with bicycle and dog." 4x5 inch glass negative, photographer and location unknown. View full size.

San Francisco circa 1920. "Peerless touring car." Along with what could be a demonstration of either aerodynamics or sobriety at the start of Prohibition. 6½ x 8½ inch glass negative by the prolific Christopher Helin. View full size.

August 1912. "Campus Martius and Detroit Opera House." With much interesting signage. 8x10 inch glass negative, Detroit Publishing Company. View full size.

Washington, D.C., 1928. Going out on a low note: "Women with contrabass tuba" is all it says here. Harris & Ewing Collection glass negative. View full size.

Circa 1900 in parts unknown. "Seth & lamb at Will's. f4.5 3.5F Kodak." 6½ x 8½ inch glass negative by Mother Goose, for all we know. View full size.

From 1912 or later comes "elderly man in rocking chair," watching the world go by from the vine-covered porch of his cozy cottage (erected "A.D. 1901") at 479 Main Street. 5x7 inch glass negative, photographer unknown. View full size.

Circa 1918. "The heart of Detroit." An aerial view of the Campus Martius from the Dime Bank, taking in landmarks including Detroit City Hall in the foreground, the Real Estate Exchange, Soldiers' and Sailors' Monument, Hotel Pontchartrain, Wayne County Building, Cadillac Square and the Cadillac Chair. 8x10 glass negative, Detroit Publishing Co. View full size.

The Bay Area in 1918. "Service truck and greens." Eucalyptus trees and some sort of leafy vegetable. 5x7 glass negative by Christopher Helin. View full size.

Circa 1908. "Broadway and Grand Union Hotel, Saratoga Springs, N.Y." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.

San Francisco in 1920. "Federal truck -- Van Arsdale-Harris Lumber Co., Fifth and Brannan." 5x7 glass negative by Christopher Helin. View full size.