< William B. Mason

William B. Mason

This steam car was similar to the first Stanleys, and used a Stanley boiler and burner together with the Mason patent regulator in which the fire was controlled by boiler pressure.  This was used in a number of other steam cars, but it is unlikely that the Mason car itself was built in any numbers.[1]

[1]Georgano, G. N., Encyclopedia of American Automobiles, (New York, E. P. Dutton & Co., 1968), p. 126.