Seventeenth-century coach spring in Lisbon Carriage Museum The earliest recognized leaf springs commenced appearing on carriages in France during the mid-seventeenth century in the shape of the two-portion elbow spring (since the illustrated case in point from Lisbon), and later migrated to England and Germany,[6] showing up about the carriages https://hand-winch67912.canariblogs.com/ltd-fundamentals-explained-50253756