Graham Woodward: 1903 Knox Model C Runabout (US) (1-cyl, 8hp air cooled engine)
Graham Woodward: 1903 Knox De Dietrich (1-cyl, 8hp)
Graham Woodward: 1903 Knox De Dietrich (1-cyl, 8hp)
Graham Woodward: 1903 Knox De Dietrich (1-cyl, 8hp)
Graham Woodward: 1904 Knox Tudor Touring (2-cyl, 20hp)