This is from an advertisement in the Saturday Evening Post, January 5, 1918, for the Westcott Sportster.

THE WESTCOTT MOTOR CAR COMPANY
SPRINGFIELD, OHIO, U. S. A

The Westcott Carriage Company was founded by John McMahon Westcott (1834-1907).

For more information: see (off this site) A Look Back...The Westcott Hotel, which also includes a photo of a Westcott Car and more information.

Also see the Westcott House in Springfield, Ohio, designed by Frank Lloyd Wright for John W. Westcott's son Burton J. Westcott (1868-1926).