The Kheel Center for Labor-Management Documentation and Archives: Frank B. Gilbreth Motion Study Photographs (1913-1917) Collection: Chronocyclegraph of Roger [Howey?]: Champion Golfer, circa 1915
public domain
Gilbreth Golf
The Kheel Center for Labor-Management Documentation and Archives: Frank B. Gilbreth Motion Study Photographs (1913-1917) Collection: Chronocyclegraph of Roger [Howey?]: Champion Golfer, circa 1915
public domain