This was a steamer with an unusual V-4 engine, 2-speed transmission, and shaft drive, with a wooden Roi-des-Belges body. The price was $2,500.[1]

Chicago Automobile Manufacutring Comapany, Magazine Advertisement Cycle and Automobile Trade Journa. 1904, p. 358

This advertisement for the 1905 season probably appeared in a late 1904 issue of Cycle and Automobile Trade Journal. on page 358.

Chicago Automobile Mfg Company 1906

This advertisement appeared on February 1, 1906 in The Automobile. The break in the boarder is original.

Chicago Aotomobile Manufacturing Company, 1906 Cycle and Automobile Trade Journal, steam car section, 1906

The Chicago Automobile Manufacturing Company was featured in a 1906 issue of Cyle and Automobile Trade Journal along with other steam cars, page 158.

[1]Georgano, G. N., Encyclopedia of American Automobile, (New York, E. P. Dutton & Co., 1968), p. 42.