Posing at Windsor, Ontario around 1950 is 0-8-0 No. 7539 of class U-2g. Members of this class weighed 218,800 pounds and developed 45,710 pounds of tractive effort. They had 23½x30-inch cylinders, 58-inch drivers, and 185 p.s.i. of boiler pressure. Formerly No. 8939 in the Michigan Central series, this engine was assigned to the Canada Southern and was retired in 1957. Tom Rock of Rock on Trains provided this photo by Walter Taylor.